Environmental
National Geographic
Since 1888, we've traveled the Earth, sharing its amazing stories with new generations. Official Twitter account of National Geographic.1,893,440 followers | Follow
charity: water
charity: water is a non-profit organization bringing clean and safe drinking water to people in developing nations.1,373,455 followers | Follow
Greenpeace
We're an independent global campaigning organisation acting to change attitudes and behavior, to protect the environment and promote peace.489,087 followers | Follow
EcoInteractive
Eco Preservation Society: Inspiring Action, Empowering People,Connecting Communities & Transforming the Planet through Conservation, Reforestation & Education160,639 followers | Follow
World Wildlife Fund
WWF works to build a future in which human needs are met in harmony with nature. Follow World Wildlife Fund and share your love of all things wild.157,279 followers | Follow
JaneGoodallInstitute
Find us on Facebook: www.facebook.com/theJGI and follow our youth program @RootsAndShoots.120,697 followers | Follow
Nature Conservancy
The Nature Conservancy welcomes you to its official Twitter site! We're a leading conservation organization working for people and nature.119,103 followers | Follow
Live Earth
Leveraging the power of entertainment through integrated events, media and live experience. Join the global movement to help solve critical environmental issues95,491 followers | Follow
350 dot org
Join a global movement that's inspiring the world to rise to the challenge of the climate crisis. 350=safe upper limit of CO2 in atmosphere. Photo by @julkosch95,264 followers | Follow
National Wildlife
National Wildlife Federation works to inspire Americans to protect wildlife for our children's future. Staff updating: @starfocus @rarewildlifeguy @ksuzj89,150 followers | Follow
PlanetGreen.com
PlanetGreen.com offers practical, everyday tips on how to live a greener lifestyle. We offer actionable advice across a variety of topics: green made real.87,616 followers | Follow
Guardian Environment
Green news, comment & more, run by the environmentguardian.co.uk team, inc @james_randerson & @adamvaughan_uk & @dpcarrington86,318 followers | Follow
Green Moms Carnival
A group of green women bloggers, uniting our voices to help preserve and protect Mother Earth for future generations. WINNER 2008 SHORTY AWARD!72,934 followers | Follow
National Trust
National Trust - charity, protecting historic houses, gardens, woods, coast, countryside... & opening them for you to enjoy. We're about from Mon-Fri 9-5.68,627 followers | Follow
Greenpeace USA
Saving the planet for 40 years. @meenazahra & @chr15_eat0n here, Tweeting for a green & peaceful future.56,031 followers | Follow
Waylon Lewis
http://bit.ly/1VeAh0 MNN:Top10Green; Treehugger:Cultre&CelebEcoAmbssdr; Discovry:Chngemkr; PlanetGreen:GreenHero; ShambhlaSun:ProminentBuddhst; 5280:TopSingle.53,290 followers | Follow
Jerry James Stone
Love food, wine and cars! 2012 @ShortyAwards winner in #green. @ClineCellars Chef. Byline at @Discovery, @TreeHugger. Tweets are green, geeky or just plain odd.46,645 followers | Follow
Green Updates
News about green products and trends from sciencenewsblog.com.45,375 followers | Follow
Friends of the Earth
We see the wellbeing of people and planet as one and the same. This inspires our campaigns on climate, energy, wildlife and living within the planet’s limits.42,755 followers | Follow
Sierra Club
Since 1892, the Sierra Club has been working to protect communities, wild places, and the planet itself.38,938 followers | Follow
Sierra Magazine
Environmental news, lifestyle tips, and free-ranging opinion from the editors of Sierra magazine. Our mission: Explore, enjoy, and protect the planet.38,011 followers | Follow
NASAEyesOnTheEarth
Being rocket scientists isn't enough...we're climate scientists too! News from NASA on all things climate.37,965 followers | Follow
True Nature Centre
Julie Sarah Powell & Elysha help you create inner peace through meditation and understanding how the world works. They show a simple way to create a life of joy36,970 followers | Follow
Earth News
Wildlife, Nature, Science & Environment news from around the world. 'No 1 environmental news Twitter' - The Guardian + BBC news Live Updates.36,228 followers | Follow
National Parks News
National Parks Conservation Association protects our national parks for our children & grandchildren. Retweets or links do not constitute endorsements.34,941 followers | Follow
EPS of Costa Rica
Eco Preservation Society of Costa Rica: Eco Travel Supporting Conservation and Reforestation in Costa Rica. Making a Difference34,652 followers | Follow
The Ecologist
The Ecologist - setting the environmental agenda since 1970. Like us on facebook: http://www.facebook.com/TheEcologist33,481 followers | Follow
operationcarbon.org
Engaging, educating and empowering individual accountabilty in the wake of global climate change. ☆Tracking all things green☆32,574 followers | Follow
Stacy Kinney
Social Media Marketing & Personal Branding, Real Estate Investor & Eco Friendly Gal. Driven to succeed & help others. Wine lover. Attitude of gratitude!31,692 followers | Follow
Environment Agency
It's our job to look after your #environment and make it a better place.31,464 followers | Follow
Tim@Best Green Blogs
Tweets, retweets & follows all things #green #eco #organic #sustainable. Homesteader in TN. Friend of Dorothy. DM me your green & enviro. stuff.30,990 followers | Follow
EcoInteractiveEnergy
Eco Interactive envisions a future of individual energy independence. The coming revolution will make available cheap and sustainable energy for every home.30,689 followers | Follow
Green Life
Start a Green Living Now. Find some Going Green Tips at our blog and become Eco Friendly, Saving Our World from Environment Issues.30,528 followers | Follow
Chris Ingham Brooke
For environmentalists who don't take themselves too seriously29,739 followers | Follow
World Resources Inst
Environment and human needs - climate change, global warming, ecosystems, green business, sustainable markets, good governance, sustainable development29,718 followers | Follow
Kate Sheppard
Reporter at Mother Jones covering energy, environment, reproductive rights, etc. Contributor with Current's Countdown. Also like: running, bikes, books.29,119 followers | Follow
National Zoo
The Smithsonian's National Zoo demonstrates leadership in animal care, science, education, and sustainability.27,790 followers | Follow
Climate Progress
Blog dedicated to providing the progressive perspective on climate science, climate solutions, and climate politics.27,437 followers | Follow
Envirowire
tweeting the latest news in environmental politics - a @greenpeaceusa project26,232 followers | Follow
Sustainable Energy
rlsh, superhero, author, actor, I am raising $1 trillion for wind, solar and geothermal energy. Spread the word.26,149 followers | Follow
Green For All
Green For All is a national organization working to build an inclusive green economy strong enough to lift people out of poverty.25,989 followers | Follow
Rainforest Alliance
International nonprofit organization working to conserve biodiversity and ensure sustainable livelihoods25,734 followers | Follow
Paul Williams
Film maker, BBC Wildlife TV: Making 'Monsoon' series on SE Asia & India. Writer, Photographer. Facebook: http://on.fb.me/ammonoid Creator of @Earth_News24,710 followers | Follow
Jean Léveillé
Mother Earth is going bad, methane in the atmosphere from melting parmafrost, this is very bad. This is why global warming is accelerating - Hyperwarming24,412 followers | Follow
Yale Environment 360
Opinion, Analysis and the Latest Environmental News - A Publication of the Yale School of Forestry & Environmental Studies.23,903 followers | Follow
Disneynature
Welcome to the official Twitter account for Disneynature. Chimpanzee is now in theaters! #MeetOscar23,857 followers | Follow
Digg Environment
Got a thing for nature or green tech? Get the best environment stories from Digg delivered to your Twitter stream.23,577 followers | Follow
Yahoo! Green
The official account of Yahoo! Green. We’ll be tweeting about how you can improve your life and improve the world.22,074 followers | Follow
Green Forum
Green Forum is dedicated to the discussion of green technologies and trends. (key words: leed, green forum, green energy, green car, eco) www.greenforum.com22,003 followers | Follow
Philippe Cousteau
Social entrepeneur, TV Host, CNN special correspondent, explorer, member of legendary family and CEO of EarthEcho International and Azure Worldwide.21,687 followers | Follow
Children & Nature
The Children & Nature Network was created to support people and organizations working worldwide to reconnect children with nature. Host: Suz Lipman21,549 followers | Follow
Conservation Intl
Conservation International - an environmental organization working with partners in 40 countries around the globe to protect nature for the benefit of people.21,053 followers | Follow
David Kaufer
I believe the 3 ingredients required for success are Patience, Persistence & Passion. Marketing/branding/Oregon Ducks nut, Twins Dad, Husband, Autism Advocate20,633 followers | Follow
David Roberts
Seattleite transplanted from Tennessee; now blogging for Grist about energy politics. Climate hawk, deficit dove.20,589 followers | Follow
Roy Gayhart
Following my passion. Constantly looking for ways to grow the Solar & Distributed Generation Tribes http://www.linkedin.com/in/roygayhart20,489 followers | Follow
The Climate Group
An independent, not-for-profit org working with government + business leaders to drive a #CleanRevolution. Use # to show the #CleanRevolution in action for RTs.20,262 followers | Follow
US Fish and Wildlife
Pacific Region, US Fish and Wildlife Service includes ID, OR, WA, HI & other Pacific Islands. Accessibility-- go to http://www.fws.gov/pacific/section508/19,420 followers | Follow
Melissa Dion
Please also follow @ecolissa. Owner of Ecolissa.com which sells fashionable eco friendly & vegan clothing! I love yoga, running, reading, movies, & sudoku.19,384 followers | Follow
J McIntire-Strasburg
Blogging a Greener World since 2003. The J is Jeff...19,339 followers | Follow
US EPA Research
Office of Research & Development (ORD) is the scientific research arm of the US EPA.19,011 followers | Follow
chelseagreen
Book Publisher focused on the Politics and Practice of Sustainable Living. Also tweeting on @greentweet.18,912 followers | Follow
Defenders Wildlife
Defenders of Wildlife leads the pack when it comes to protecting wild animals and plants in their natural communities.18,047 followers | Follow
Green Living
Easy Green Living Tips To Go Green, Eco Friendly Natural Safe And Healthy Home18,043 followers | Follow
David E. Guggenheim
Marine scientist, conservation leader, sub pilot, speaker, educator, author. Sr. Fellow at The Ocean Foundation. Host, The Ocean Doctor http://oceandoctor.org17,948 followers | Follow
Danielle Brigida
I work for the National Wildlife Federation (@NWF). I’m looking to learn & laugh. Interests include: nature animals nonprofits social media technology and life!17,849 followers | Follow
Chris Dockery
Social Networker, Adventurer, Treasure Hunter, Thrill Seeker, Spiritual Master17,832 followers | Follow
Nancy Overbury
designer & artist: addicted to news, writing, steampunk, graphic novels, Join us for #SteamTuesday: add your steam17,459 followers | Follow
The Green Guy
I go crazy when I see others trash something that could be recycled. I am always in need to learn more about new green technologies. I’ll share some tips here.16,835 followers | Follow
Help Recycle
Official Help Recycle.com on Twitter Do's and Don'ts of Recycling. Everyone can Help Recycle. Facebook http://www.facebook.com/pages/Help-Recycle/45780184536616,561 followers | Follow
350.org USA
U.S. organizing from 350.org. Join a global movement that's inspiring the world to rise to the challenge of the climate crisis.15,951 followers | Follow
The Energy Collectiv
The world's best thinkers on energy and climate issues. Register for newsletter, webinar access and ebooks. http://ow.ly/4Rr1m15,875 followers | Follow
San Francisco Zoo
The mission of the San Francisco Zoo is to connect people with wildlife, inspire caring for nature and advance conservation action.15,509 followers | Follow
Wilderness Society
The Wilderness Society works for clean energy and America's forests, national parks, refuges and BLM public lands.15,435 followers | Follow
Global Warming
Global warming, climate change and environment news. See also @greennews and @science15,178 followers | Follow
Meatless Monday
#MeatlessMonday is a non-profit health initiative encouraging people around the world to go meatless one day a week for their health & the health of the planet!15,039 followers | Follow
OneClimate
OneClimate.net is a new social networking space for sharing ideas and taking action on climate change.14,944 followers | Follow
Green Celebrity News
Love good news? Small talk about famous humanitarians, charity causes, pet friendly celebs, green celebrities, ecofriendly gossip, Hollywood lifestyle reviews.14,320 followers | Follow
Green Festival
Gathering to celebrate sustainable ideas & solutions in our communities. NYC April 21-22 | CHI May 5-6 | DC Sept 29-30 | SF Nov 10-11 | LA Nov 17-1813,575 followers | Follow
Derek Markham
Generally green, sprinkled with randomness & slathered with peanut butter. Writer for TreeHugger.com and Discovery. Good man. Skilled shoveler. WordPress lover.13,386 followers | Follow
Peter Kobel
Writer, author, advocate for environmental, economic and social justice.12,868 followers | Follow
Eco News Network
Eco News Network provides news, trends and commentary on ecological issues, challenges, products, processes, science and leisure.12,566 followers | Follow
Jaymi Heimbuch
Green Technology Editor and writer @TreeHugger. Environmentalist and photography enthusiast.11,862 followers | Follow
helpthebees
Raising awareness of the plight of bees and what we can do about it. Wildlife lover, enjoy wildlife gardening & interested in environmental issues.11,372 followers | Follow
ZEROGreenhouse
Founder/Chair-Greenhouse Neutral Foundation, Author Zero Greenhouse Emissions http://bit.ly/17b0u6 also @Bob_Williamson11,334 followers | Follow
David Quilty
Founder of thegoodhuman.com. Social activist, greenie, writer, social media addict, forkoverknifer. You'll find me outdoors trying to avoid looking at my phone.11,191 followers | Follow
myEARTH360.com
Eco ecommerce biz tweeting eco news & tips, eco action updates & occasional product offers. Founded by environmental advocate + concerned mom @LynnHasselbrgr.11,188 followers | Follow
Blue Planet Society
Campaigning to stop overfishing and to protect marine life11,032 followers | Follow
Global Alert
Global alert for climate, animals, oceans, wildlife, plastic bags, politic... Reduce, Reuse, Recycle. STOP plastic bags! Plant a tree! Hosted by @afmiziara11,006 followers | Follow
SUMMIT ON THE SUMMIT
We climbed MT KILIMANJARO to bring attention to the GLOBAL CLEAN WATER CRISIS. Inspiring and educating youth about water.10,425 followers | Follow
Martin Higgins
Self Employed. Opinions expressed here do not represent the views of my employer.10,418 followers | Follow
Green Bubble
Environmental news, and information regarding renewable energies, the environment and green technologies10,138 followers | Follow
Earth Day Canada
Providing Canadians with the practical knowledge and tools they need to lessen their impact on the environment.10,041 followers | Follow
Solargroupies
Glenn Fay, Jr. LoveEarthAlways.com photography, nature, wellness, clean energy and common sense. Facebook.com/LoveEarthAlways and /Solargroupies10,017 followers | Follow
Scripps Oceanography
Scripps Institution of Oceanography is one of the oldest, largest, and most important centers for marine science research, graduate training, and public service9,938 followers | Follow
Stephanie Hicks
Freelance travel blogger, marathon runner, lawyer, photographer, mom of 4, & Type1 diabetic Tweets on environment, fitness/health, travel & solar power9,938 followers | Follow
GreenLivingIdeas.com
Official Twitter home for Green Living Ideas - part of Important Media9,821 followers | Follow
Shea Gunther
I'm a Mainer, a dad, a blogger for MNN, a founder of #EcoMonday, and ultimate frisbee player. I'm back at school studying environmental and computer science.9,589 followers | Follow
Leslie Quigley
treehugging, feminist, hippie mama, wifey, domesticated eco gal and urban gardener! nature, health foodie, + yoga addict. peace, love & green happiness :)9,551 followers | Follow
Ed Stafford
European Adventurer of the Year 2011. Author of Walking the Amazon. Motivational Speaker.9,421 followers | Follow
Chris Baskind
Founding editor of Lighter Footstep (now part of Mother Nature Network/MNN). Carfree advocate, coffee drinker, and sometimes geek.9,224 followers | Follow
Mike Lieberman
I give practical container gardening tips to grow your own food so you can avoid toxic pesticides, eat healthier and not feel limited by your lack of experience9,037 followers | Follow
The Plastiki
The Plastiki, a boat made from 12500 plastic bottles, completed its journey from San Fran to Sydney in Aug 2010. Say tuned for what's next!8,629 followers | Follow
Dr. Paula Kahumbu
Champion of endangered species, ecologist, conservationist, childrens book author, CEO of WildlifeDirect Inc8,467 followers | Follow
Howard Bright
Nature lover especially native plants. Owned and operated Native Seed and Plant nursery for over 20 years. I like to travel with Donna. Likes: fishing horses.8,424 followers | Follow
Sussex Wildlife
Sussex Wildlife Trust is the leading wildlife and landscape conservation charity in East Sussex, West Sussex and Brighton. Tweets by Richard.8,388 followers | Follow
Orion magazine
America's best environmental magazine (according to the Boston Globe).8,379 followers | Follow
Sandy Guerriere
Author & Writer - Supportive force in the lives of others. Organic health for a healthy planet.8,143 followers | Follow
Leafygreen.info
Green Reviews. -- organic, all natural reviews, vegan, vegetarian reviews, healthy, eco-friendly, sustainable, recycled, food, clothing, beverage, eco-friendly!8,041 followers | Follow
Plastic Pollutes!
A non-partisan coalition of individuals and institutions committed to eliminating plastic pollution worldwide.7,963 followers | Follow
KQEDscience
Follow KQED Public Media’s science and environmental coverage from Climate Watch, QUEST and more.7,644 followers | Follow
Environment Report
The Environment Report reveals the relationship between the natural world and the everyday lives of people.7,629 followers | Follow
Planet Positive
We offer a 4-step certification process: 1) Measure 2) Reduce 3) Invest 4) Communicate. An environmental mark. A better way of living.7,523 followers | Follow
Henricus Peters
Making conservation connections - about children & Nature, Environmental Education, Playoutdoors and Sustainability. Also at @NAEE_UK. Fuller discussions at7,463 followers | Follow
Living Greener Life
LivingAGreenerLife.com offers a variety of eco-friendly resources, tips, news and information to help people get started with living a greener life.7,430 followers | Follow
L.A. Times Green
News about environmentally friendly living from @latimes. See @LATenvironment for more green news.7,291 followers | Follow
Wildlife Action
National Wildlife Federation Action Fund, giving you the latest news and actions on speaking up for wildlife!7,280 followers | Follow
Wendy Gabriel
Living Green and trying my best to figure it all out...being a wife, mother and human being. Also writes for 1800Recycling.com.7,221 followers | Follow
Fauna & Flora Int.
Fauna & Flora International is conserving the planet’s threatened species and ecosystems – with the people and communities who depend on them.7,213 followers | Follow
Bonnie Cranmer
Passionate about life and not afraid to speak my mind, green social media enthusiast, simple over chaos! #RAOK each day ;~) Love, Peace & Magic!7,149 followers | Follow
RarePlanet
Rare is an international NGO that designs community-based solutions to global conservation challenges. Conservation is about people.7,135 followers | Follow
Carla Tonelli
I'm the former green business editor for Reuters.com and tweet about sustainability news -- and anything else that catches my eye.7,096 followers | Follow
John Peter Thompson
Ask me your questions - Sustainability, ecosystems invasive species,natural philosophy, history, politics & current events explained7,038 followers | Follow
World Land Trust
International conservation charity funding the protection of rainforest and other wildlife habitats. Donate at http://www.worldlandtrust.org/supporting/donate6,974 followers | Follow
NRDC Switchboard
This is a feed of posts from NRDC's staff blog, Switchboard. Follow @NRDC on Twitter for more updates.6,842 followers | Follow
Lynn Hasselberger
I Count for myEARTH. Blog + tweets 2 raise awareness + inspire change 4 people + planet. Tweets by founder @LynnHasselbrgr who also tweets 4 her biz @myEARTH3606,824 followers | Follow
Franke James
Artist & author of Bothered By My Green Conscience | Who cares about the Forest? | Six Tools for Climate Change Art + more...6,781 followers | Follow
Amer Cetacean Soc
The American Cetacean Society protects whales, dolphins, porpoises, and their habitats through public education, research grants, and conservation actions.6,747 followers | Follow
Ocean Champions
The only political voice for the ocean. We help elect pro-ocean candidates & work with them to drive great ocean policy. Tweets from Mike, Chris & the crew.6,603 followers | Follow
STAR EcoStation
STAR ECO Station is an internationally award-winning non-profit environmental education and exotic wildlife rescue center, dedicated to Preservation/Education6,582 followers | Follow
Earth Hour US
Former US Earth Hour official feed. Please follow @earthhour.6,556 followers | Follow
Nathan A. Winters
Upcoming author | Restorative farming | Farmer @rellybubfarm | Former digital media evangelist turned simple/ rural living advocate | Mean cook | Optimistic6,547 followers | Follow
Mireya Mayor, Ph.D.
Host of Nat Geo Wild, Explorer/Wildlife Expert Expedition Africa,Author Pink Boots & A Machete,Emmy Nominated Reporter, Speaker & Former NFL Cheerleader6,493 followers | Follow
Suzanne / ByDezin
Co-Founder of SEN4Earth ~ SEN4Earth.org/articles, Exec Dir~Greenhouse Neutral Foundation.org ~Creator of NOdorz ~REduce ~REuse ~REnew ~REcycle6,485 followers | Follow
We Save the Planet
6,355 followers | Follow
Osha G. Davidson
Freelance writer/photographer, author, & Sonoran desert rat. Current project: What the US can learn from Germany's renewable energy economy. Member, SEJ.6,305 followers | Follow
Michael Pata
Entrepreneur, Animal Enthusiast, Social Media, Sustainability, Wildlife, Pets, Environment, Aquaculture, Fun6,300 followers | Follow
Joanna Yarrow
Explorer of 21st-century sustainable living. Writer, broadcaster, consultant, director of @wildernesswood & founder of @beyondgreenuk.6,277 followers | Follow
No Impact Project
A social change initiative of No Impact Man. This account is maintained by supporters and volunteers of No Impact Project.6,277 followers | Follow
Andrew Badenoch
7 Continents. 7 Seas. ZERO Fuel. Exploring planet earth using only natural and human power. Upcoming PBS series at http://youtube.com/77zero6,187 followers | Follow
EDF Business
EDF + Business: green business, environmental sustainability, CSR and more - posts by @monicamichaan6,159 followers | Follow
Chesapeake Bay Found
Setting the agenda, taking action, and speaking out on behalf of the Chesapeake Bay.6,148 followers | Follow
EcoStrip.com
The Best #PC #EnergySavingPowerStrip, #GreenPowerStrip, and #SmartStrip that Eliminates #StandbyPower, #VampirePower, or #LeakingElectricty...6,124 followers | Follow
The End of the Line
Feature documentary on one of the world's most disturbing problems - over-fishing. UK DVD (PAL, Region2) Available to buy at www.endoftheline.com6,022 followers | Follow
TheEnvironmentSite
An environmental portal with the largest environmental and green living forum on the web.6,020 followers | Follow
The Earth Times
The Earth Times covers environmental news topics and environmental issues. Visit us at www.facebook.com/TheEarthTimes5,980 followers | Follow
EcoEinstein
Peter Einstein -Founder, EcoActiveUSA & EcoChicProject; Member of Transformational Leadership Council & NYC Twitter Elite #green #eco #climate #CSR #SocEnt5,881 followers | Follow
Tom Laskawy
Executive Director of the Food & Environment Reporting Network and writing on food and ag policy for Grist5,790 followers | Follow
UrbanFarming
Planting organic food gardens on unused land, space, rooftops and walls to help green our planet and eradicate hunger!5,680 followers | Follow
Carbon Outreach
Traditional & Digital Marketing for Ethical Business | Our 200+ Page Facebook Guide http://amzn.to/vz3dSZ5,630 followers | Follow
Wildlife Watch
Wildlife Watch is a program for National Wildlife Federation. We're interested in wildlife and citizen science. If you spot wildlife put #nwf in your tweets!5,551 followers | Follow
Gorilla Organization
International charity working to save the world’s remaining gorillas from extinction through community conservation, education, research and development5,388 followers | Follow
Conservation News
Automated news updates about wildlife & conservation efforts worldwide. Powered by @daylife5,354 followers | Follow
RainforestSOS
Working with governments, business, NGOs and individuals to increase global recognition of the contribution of tropical deforestation to climate change5,317 followers | Follow
Great Gorilla Run
Gorilla conservation, The Gorilla Organization, Great Gorilla Run and Gorilla Party5,220 followers | Follow
BlueLivingIdeas.com
Blue Living Ideas is the ultimate resource for info and news on Earth's most precious resource: Water. Visit our sister site @GreenLivingIdea as well5,044 followers | Follow
Green Lights
Exploring the dangers of Compact Fluorescent Light bulbs & environmental hazards in production & dispoal. They're NOT GREEN at the factory OR the landfill.5,017 followers | Follow
WWF Arctic Programme
Since 1992, the WWF Global Arctic Programme has been working to preserve the Arctic's rich biodiversity in a sustainable way.5,011 followers | Follow
Tor Valenza
Tor Valenza aka Solar Fred simplifies solar marketing/PR at UnthinkSolar.com. Read SolarPowerRocks.com and for Solar Biz People @REWorld http://ow.ly/ap7wl4,985 followers | Follow
Lisa Vickers
Ecocentric activist. Global Campaigner @Avaaz. Usually tweeting about environmental, social and political change & my dog. Opinions are only mine.4,982 followers | Follow
Bradley Sylvester
Interested in nature, science, sustainability, wildlife conservation, birds, green tech, classic science fiction4,946 followers | Follow
US Fish and Wildlife
The Northeast Region of the U.S. Fish and Wildlife Service, USFWS, includes ME, VT, NH, MA, CT, NY, NJ, PA, MD, RI, WV, DE, and VA.4,839 followers | Follow
#EcoMonday
The official #ecomonday referral channel. Recommend your favorite Green Tweeps! And we follow them.4,715 followers | Follow
GreenTalk Radio
GreenTalk Radio is a podcast that helps listeners in their efforts to lead more eco-friendly lifestyles.4,647 followers | Follow
Carrie Bancroft
greenREACH, a sustainable management consulting company, has closed its doors. You can connect with Carrie at @withinsight_llc.4,640 followers | Follow
Friends of the Earth
Friends of the Earth International is the world's largest grassroots environmental network. We campaign on today's most urgent environmental and social issues.4,619 followers | Follow
Katharine Hayhoe
Not suspicious, just Canadian. Atmospheric scientist, climate communicator, poli sci professor and mom, married to @drandrewfarley. First in line for cloning.4,505 followers | Follow
AFreeMansLife
biodiversity climate environment water forests energy csr politics human rights4,293 followers | Follow
Turtle EcoTraveler
Protecting sea turtles through conservation travel, education, and advocacy.4,262 followers | Follow
NRDC's NY Media Team
Follow us (Kate, Jenny, & Jackie) for the latest news highlights from NRDC & the enviro world. For the org acct follow @NRDC or check our NRDC twitterers list4,232 followers | Follow
Luis Alves
Member of the Ovimagazine team,a daily multi-lingual non-profit online magazine based in Helsinki. Author/engineer/activist/environment - decentralization -arts4,199 followers | Follow
A Sea Change
Imagine a world without fish. We don't want to, so we made this film, about the evil twin of climate change: ocean acidification.4,111 followers | Follow
Important Bird Areas
Conserving birds, other wildlife and their habitats through Important Bird Areas at the National Audubon Society4,049 followers | Follow
Bush Warriors
Bush Warriors. A global voice for wildlife. Fighting to end poaching and illegal wildlife trade.4,041 followers | Follow
Energy Secrets
Doing what I can to help save the planet. Energy Energized, Entrepreneur, a Leadership Coach, a Baseball Crazy Person, a Water Baby who is Landlocked!4,012 followers | Follow
Global Footprint
#GlobalFootprintNetwork is an international think tank working to advance sustainability through use of the #EcologicalFootprint, a resource accounting tool.3,981 followers | Follow
Audubon Magazine
3,978 followers | Follow
Oceanic Defense
Protecting our oceans by acting responsibly as informed consumers - The Aquatic Army3,971 followers | Follow
Nick Toxic
Don't think BIG, think BETTER. I'm hooked on TED Talks, viral marketing, change management, clean energy, innovation, and sustainability. I follow back3,968 followers | Follow
International Rivers
International Rivers is at the heart of the global struggle to protect rivers and the rights of communities that depend on them.3,933 followers | Follow
Karla Segura Ch.
My Tweets: Space Exploration, Astronomy, Physics, Geoscience, History, Anthropology, Archeology, Paleontology, Environment, Social Causes & I love @ricky_martin3,933 followers | Follow
New Zealand Birds
Birds and birding in New Zealand, the environment, and other ephemera. Zen birding.3,879 followers | Follow
Gordon J Millar
Never doubt that a small group of people can change the world. Indeed it is the only thing that ever has. #Follow @BPB_Edinburgh @GordonJMillar @DeepEcoDads RT3,757 followers | Follow
Miles Grant
Progressive politics, environmental policy, climate science, community activism & baseball watching. Opinions are my own. Unauthorized. Unprofessional. Etc.3,714 followers | Follow
Climate News
Climate news bot, maintained by @wesselzweers. Dutch version: @klimaatnieuws.3,703 followers | Follow
AboutInsects
Naturalist, writer, gardener, former classroom teacher, photographer, and bug freak.3,666 followers | Follow
Dave Macaulay
Writing about living buildings, eco cities, restorative landscapes, biomimicry and the leading edge of green architecture.3,640 followers | Follow
Sandy Guerriere
Green Eco Communities - Sustainability of the Planet begins at home. ~ Become the change you want to see in the world.3,609 followers | Follow
Molly Cantrell-Kraig
Articulate whimsical gal w/focus on green sustainable biz I tweet eco haiku media sm vegan socent poetry & the occasional girly update! Also founder of @WWDr1ve3,603 followers | Follow
Sandra Diana Troegl
Running a vintage fashion store in Neukölln. Likes eco, fair, diy, swapping, upcycling, schillerkiez news. Cofounder of @nest_im, @recampaign & @veistberlin3,519 followers | Follow
GreenBizCheck
Helping businesses go green, providing independent environmental business credentials. Allied with Bureau Veritas and Climate Friendly.3,343 followers | Follow
Danielle Brycz
Co-Owner of Verde Lifestyles, selling eco-friendly home decor. Sustainable Wood Furniture, Bamboo Rugs, and Organic Throw Pillows.3,306 followers | Follow
Josh Maxwell
Travel, Blogging, Alternative Energy activist who drives hummer... just kidding3,267 followers | Follow
Christellar
Advocate 4 #wildlife conservation, abuse victims & world #peace • #Green Canadian Chubficionado • LOVE HUGS, #slowfood, wine & great friends!! • #GoJetsGo3,262 followers | Follow
Wild New Jersey
Are you wild enough for Wild New Jersey? Join the ride on NJ's award winning nature news blog. Founded by author & video producer @DavidHWheeler in 2008.3,238 followers | Follow
Bob Williamson
Founder/Chair-Greenhouse Neutral Foundation, Author Zero Greenhouse Emissions http://bit.ly/17b0u6 also @ZEROGreenhouse3,235 followers | Follow
Heidi Cullen
climate scientist, science journalist, overall weather weenie, and author of The Weather of the Future3,224 followers | Follow
Katherine Goldstein
Innovations editor, focusing on social media and traffic initiatives for Slate.com. I also write essays sometimes.3,220 followers | Follow
Tom Traver
Native habitat restorer, arborist, green issues. How much more of nature do we need to degrade to perpetuate our standard of living?3,198 followers | Follow
Wyland Foundation
Providing environmental education programs & public art projects that promote preservation of the world's ocean, waterways & marine life.3,177 followers | Follow
The Changing Oceans
Our Oceans are changing! How much and how fast are they changing? What will this mean for life and humanity? What can be done? Follow our voyage of discovery!3,134 followers | Follow
James Hoggan
Author of Climate Cover-Up, Co-Founder of DeSmogBlog, Chair of the David Suzuki Foundation, President of Hoggan and Associates3,111 followers | Follow
Nigella Hillgarth
Executive Director, Birch Aquarium at Scripps; committed to the future of our Ocean, our Planet2,997 followers | Follow
Conservation Letters
Fast, global and policy-relevant, Conservation Letters is an online-only scientific journal publishing research with significant implications for conservation2,957 followers | Follow
Olive Living Online
Olive Living Online is your green guide to food, fashion and fun.2,934 followers | Follow
Julie Scardina
Animal Ambassador for SeaWorld, Busch Gardens and Discovery Cove; I play with animals - and work to save them.2,931 followers | Follow
Ioana G Petrisor
Editor-in-Chief of Environmental Forensics ■ World explorer ■ artist at heart ■ environmental scientist in fact ■ free in spirit...2,896 followers | Follow
Wilderness Society
Environmental news, events and actions from the Wilderness Society (Australia)2,893 followers | Follow
Charles Edouard
an open-minded ecologist, father, european, active in H.R.Services2,869 followers | Follow
Jeff McMahon
Coverage of the environment and green technology from Forbes contributor Jeff McMahon.2,860 followers | Follow
Chesapeake Climate
The Chesapeake Climate Action Network is the first grassroots, nonprofit organization dedicated to fighting climate change in Maryland, D.C., & Virginia.2,812 followers | Follow
Trees Water & People
TWP is a 501(c)(3) nonprofit org working to improve people's lives by helping communities protect, conserve and manage their natural resources.2,784 followers | Follow
Crackers the Parrot
I'm on a mission to bring awareness to and help save the rainforest. Will you help me?2,751 followers | Follow
Jim Searing
A treehouse of knowledge, ideas, research, best practices, and news for people who love and care about trees, forests, conservation and nature.2,743 followers | Follow
Allie Wilkinson
Founder of @lookslikesci & freelance science communicator. Member of SEJ, NASW, SCB2,733 followers | Follow
GREEN BOATING ®
GREEN BOATING is dedicated to identifying and sharing knowledge which will help the marine industry protect the environment.2,714 followers | Follow
MT N Hellfire
Applied Geophysicist | Liberal ranch girl who loves wolves | Greeny enviro working in energy exploration | Slave to dogs and chickens2,706 followers | Follow
Shark Goddess,
Throwin' my arms around the world, love creatures great & small, on a mission to get my scripts to the CW Network. Help me, please!2,697 followers | Follow
Climate Task Force
ClimateTF was created to further the common good and general welfare of citizens by educating about climate change and the need for action.2,648 followers | Follow
Antarctic science
@dr_andy_russell keeping you up to date with all the breaking Antarctic Science news and blogs2,646 followers | Follow
Nihilo Zero (blog)
Radical Politics, Biocentric. For peace, sustainability & REVOLUTION. Tweeting as if it mattered.2,641 followers | Follow
ClimateJusticeAction
Climate Justice Action (CJA) network - (un)official blog reporting news, activism and organizing regarding Climate Justice2,548 followers | Follow
Hilary Maybaum
Science writer and editor, non-practicing oceanographer, one-time Alvin diver, hiker, kayaker, crossword puzzler, candy eater2,514 followers | Follow
Ontario Nature
Protecting wild species and wild spaces for all of Ontario. We all tweet here.2,455 followers | Follow
GoGreen4Schools
An environmental campaign for schools aimed at the reduction of green house gasses and promoting positive lifestyle changes.2,454 followers | Follow
Jeff Friedman
Working for a better future for dolphins, whales and the planet.2,439 followers | Follow
Last Nature
Tweeting about Rare, Wonderful and Weird Critters- Cutting Edge News from the World of Natural History! Positive tweets about endangered nature!2,428 followers | Follow
Graham Readfearn
Journo writing stuff on climate change, denial and the environment. Blog http://bit.ly/cgXyBw The Drum http://bit.ly/vEpWC6 and @DeSmogBlog http://bit.ly/sSti5k2,412 followers | Follow
Jeanne Reslan
Raising environmental awareness and helping schools and non-profits raise funds. Responsible, Green Fundraising2,395 followers | Follow
Dr. Kehaulani Watson
I own lots of books, and I believe Jersey Shore is proof that Charles Darwin's natural selection theory is flawed.2,341 followers | Follow
Healthyplanet.org
Inspiring, enabling and rewarding greener, healthier choices. Adopt, Dedicate and monitor Land as a Gift. Check our facebook page at http://alturl.com/gesqj2,338 followers | Follow
Russ Walker
Editor, writer, politics junkie, bad photographer ... managing editor of KING5.com.2,312 followers | Follow
Amazon Rainforest
The Amazon rainforest, also known as Amazonia, is one of the world's greatest natural resources.2,244 followers | Follow
Ban The Bag
Portland Surfrider Chapter wants to ban the single use plastic bag! Check out our site for more info2,202 followers | Follow
Jocelyne Grzela
I'm the Co-Founder of TreeBanking, LLC, a for-profit company dedicated to replanting millions of acres of tropical rainforests worldwide2,191 followers | Follow
Avaaz Copenhagen
Avaaz Copenhagen er et lokalt netværk under Avaaz.org, hvis aktiviteter er særligt rettet mod COP15, FN's klimatopmøde i København den 7. – 18. december 2009.2,170 followers | Follow
Simple Earth Media
Environmental Online Media Company with lifestyle Websites dedicated to making a difference.2,162 followers | Follow
WildWondersofEurope
Wild Wonders of Europe: The world's biggest conservation communication initiative, ever. Raising awareness of Europe's incredible wildlife & wild places2,133 followers | Follow
E Campos , M Rupert
Official Twitter Account for the Save the Manatee Club. Our mission is to protect manatees and their aquatic habitats for future generations.2,114 followers | Follow
Climate Change
Climate change refers to any significant change in measures of climate (such as temperature, precipitation, or wind) lasting for an extended period.2,113 followers | Follow
DeLene Beeland
Independent science writer atwitter about nature and the great outdoors. Author of The Secret World of Red Wolves (UNC Press; 2013).2,112 followers | Follow
Deane Rimerman
Pacific Northwest Landscape Restorationist and Technologist. Web Builder, Life-long Photographer, Pro Writer: online & newsprint.2,111 followers | Follow
Wendee Holtcamp
award-winning freelance writer * lover of nature * bohemian * photographer * mover-n-shaker * single mom of 2 smart cookies * seeker of truth & wisdom2,111 followers | Follow
Saving Rhinos
Saving Rhinos publishes news & information about the illegal trade in rhino horn & global rhino conservation issues.2,077 followers | Follow
Kelly Senser
Nature-loving mom with passion for wildlife gardening, photography and outdoor play. Program manager at National Wildlife Federation.2,053 followers | Follow
SierraClub GreenHome
Sierra Club Green Home is an educational environmental website dedicated to helping you live more healthy, environmentally sustainable lives while going green!1,987 followers | Follow
Women in Green Forum
Women in Green Forum returns to Los Angeles on August 30-31, 2011 to highlight women's impact on the environmental arena. Prod by @threesquaresinc1,963 followers | Follow
EarthFirst.com
A fun, irreverant green blog featuring the latest environmental news, exclusive features, original cartoons and videos.1,961 followers | Follow
Paul White
Sustainable Living / Permaculture / Support MSF / Székely Culture / Transylvanian Wildlife Project (Director)1,942 followers | Follow
Dayna Reggero
Traveling Gypsy. #Eco Spokesperson. #Vegetarian. #Organic. @JerryJamesStone's Tour Manager. @PachasPajamas Promoter.1,920 followers | Follow
Animal Campaigns
We provide a showcase for all animal charities and organisations big and small, that work on behalf of wildlife conservation and animal welfare.1,891 followers | Follow
Ranger Rick Magazine
National Wildlife Federation's Ranger Rick is America's best children's nature and wildlife magazine.1,881 followers | Follow
afreshsqueeze
Exclusive deals and information on sustainable living in the Chicago area. Make your life a little greener!1,877 followers | Follow
GreenBusinessNetwork
Oldest, largest, and most diverse network of socially and environmentally responsible businesses1,851 followers | Follow
iLoveMountains.org
1,823 followers | Follow
SeaTurtleConservancy
It is the mission of the Sea Turtle Conservancy to ensure the survival of sea turtles through research, advocacy & education.1,793 followers | Follow
EcosystemsClimate
An alliance of NGO forest experts talking about the climate negotiations1,790 followers | Follow
Tracey A. Smith
Powering our Cities and Protecting Our Oceans.Wave,Tidal,Hydro,Thermal,Offshore Wind1,760 followers | Follow
Sarah Emily Labance
Ph.D. in environmental engineering (PSU '02); science/environmental/political writer; activist; sports fanatic1,752 followers | Follow
Angus Middleton
Tech Director at enviro consultancy Renaissance: contam land, flooding, due diligence, planning. Blog on life, universe & everything at Spooky Manuka.1,735 followers | Follow
Becki Marie
Ocean Conservationist, Turtle Specialist (Rescue, Rehab & Release), Animal Advocate, Business Owner & Volunteer Extraordinaire1,712 followers | Follow
Grace Cunningham
Environmental latte-sipping, public-transit-&-bicycle-riding, urban-living liberal. Loves to dance, cook, and explore creative ways to change the world.1,701 followers | Follow
Wilderness Society
The Wilderness Society NSW - tweets from our Sydney and Newcastle Campaign Centres1,694 followers | Follow
Andrew Russell
Lecturer in Climate Change at @Brunel_IfE. Big interest in science communication and the environment. I'm also @Antarctic_news.1,694 followers | Follow
Lindsey Hoshaw
Freelance journalist. Extremely interested in the Pacific Garbage Patch, new media start-ups and innovative news models1,678 followers | Follow
Christof Heinrich
Journalism professor who cares deeply about the environment and who sees EV-solar synergy as crucial to a greener world. Web site = SolarChargedDriving.Com.1,656 followers | Follow
Valerie Harrison
Passionate about wildlife owner Wildforms Gardening for Wildlife. I live on the beautiful N Rhins, Dumfries & Galloway. 10% off voucher code TWITDISC1,647 followers | Follow
EarthEcho Int'l
Thought the Gulf spill was bad? 2.4 million lbs of plastic enter the world’s oceans every hour. Follow us for facts & simple ways to make our oceans cleaner.1,639 followers | Follow
Climate_Politix
Journalism professor and political junkie who cares a lot about climate change and other environmental issues.1,620 followers | Follow
Jess Keating
Author (MG, YA), zoologist, and artist. I'm repped by the amazing @KatRushall of MLLA. Often wrangling words or creatures.1,616 followers | Follow
Lynne Hooper
Everything is connected. We cannot separate human rights from protection of the environment.1,599 followers | Follow
Sustain Our Planet
Sustain Our Planet is a green company specializing in carbon emissions analysis and carbon offsetting.1,578 followers | Follow
ateeq ahmad
witty content on mammals of all types. 29 orders and over 5K species. Will follow all wildlife conservationists.1,547 followers | Follow
CrowdFunding4Good
Where Socially/Environmentally-Responsible Investors & Companies Do Well By Doing Good #CrowdFunding #CSR #SocEnt #Sustainability #Green #SocialResponsibility1,547 followers | Follow
Trish Smith
Recycler extraordinaire.Amateur beer brewer.Hip hop/indie rock music fan.Half Korean writer/blogger.Pop culture geek.Hot sauce addict.Defender of planet Earth.1,539 followers | Follow
Rain Gardens
Rain gardens prevent polluted runoff from damaging our urban streams.1,525 followers | Follow
MIDKNIGHT6
An internet activist that passes information within the CLOUD. Mostly enviornmental awareness. "The greatest danger to our future is apathy."1,515 followers | Follow
Operation Migration
Using ultralight aircraft to safeguard endangered Whooping cranes1,490 followers | Follow
21st Century Tiger
Giving wild tigers a future. Raising funds for wild tiger conservation projects.1,484 followers | Follow
GreenCitizens.net
Carbon Manager | News | Blogs | Forums | Ecopedia | Green Living | Events | NGO Corner | Green Business | Green Jobs | Videos | Green Leaderboard1,464 followers | Follow
Jo Cartmell
Water Voles are the UK's fastest declining mammal. See BBOWT web address for Guide for Landowners. Do not mow river/stream banks, so they can forage/hide.1,427 followers | Follow
PeacefulJeff
Earth Steward advocating for science-based climate change global action through 350.org and others. Trainer for 99% Spring. www.the99spring1,394 followers | Follow
Michael Luehrs
American at home in Sweden, pursuing sustainable practices, CSR, Green Meetings and better living for business and community1,394 followers | Follow
Megan McVey
Conservationist. Social Entrepreneur. Intellectual Enzyme. Yale F&ES grad student. Tweeting for @yalefesclimate.1,359 followers | Follow
Clean Our Cloud
1,354 followers | Follow
ClareSaxon
Digital Editor for @ClimateGroup & writer aka Cle. 99% music, climate, #CleanRevolution cleantech, clouds, my french bulldog Enzo, @thoapband. Words are yum-_-*1,346 followers | Follow
SustainabilityOnline
A journalist from Sustainability magazine tweets about climate change, the environment and sustainability issues.1,332 followers | Follow
GreenCollar
Environment and climate change advisory and consulting practice. Currently online: James Schultz Learn More: http://www.youtube.com/watch?v=nzrqB2D6Pak1,320 followers | Follow
Claudia v/d Elsen-WP
Creative/high sensitive/visual thinking/animal loving vegetarian with strong bond to nature. Loves photography, cooking, arts, classical music and so much more1,306 followers | Follow
Enviro Law & Policy
We do Environmental Law and Policy Research, with a special focus on Sustainability.We blog at cielap.org/communityforum1,302 followers | Follow
Tech the Future
Blog, Sustainability, Technology, Science, Creativity, Solutions, the Future.1,276 followers | Follow
NYC Environment
Tweeting environmental news from the Big Apple (and sometimes beyond).1,256 followers | Follow
TinyChoices.com
Our thoughts on small (and not-so-small) environmental choices.1,247 followers | Follow
earth chirp
Environment\Earth\Conservation Updates: We will be known forever by the tracks we leave.1,222 followers | Follow
The Ocean Registry
Discover & protect our world's oceans and waters at TheOceanRegistry.com!1,211 followers | Follow
Andrew Merrie
Training myself to be a multidisciplinary ninja combining environmental politics,interlinked social-ecological systems,resilience and green social innovation.1,159 followers | Follow
Tim, Will and Lynn
We traveled 28,000miles around the Atlantic Ocean to raise awareness of climate change. Check out our website: atlanticrising.org1,151 followers | Follow
Melissa Allen Heath
green warrior - born treehugger, and 25 years work experience in all environmental stuff, esp climate, energy, green building, wetlands.1,116 followers | Follow
J. P. Taylor
A voice for wild creatures & wild places and the natural magic of nature1,112 followers | Follow
WildMadagascar.org
1,093 followers | Follow
Green Teens
A Youth Initiative to Spread Simple Eco-friendly Lifestyle Changes1,082 followers | Follow
A Journey To Zero
A place for sharing ideas that bring us all closer to a zero emission future.1,082 followers | Follow
Change&Switch
we like working with other people and organisations on environmental and human rights issues // we're putting together a journalism team for COP17 right now1,070 followers | Follow
Meredith Stanton
Native forest, habitat for endangered wildlife and koalas. Over-logging now threatens Clarence River Upper Catchments - http://www.cec.org.au/1,045 followers | Follow
Libby Schleichert
environmentalist, writer editor@ Ranger Rick Magazine alternative holistic healing practitioner w massage therapist husband1,001 followers | Follow
Green Ahead
Environmental information regarding renewable energies, the environment and green technologies983 followers | Follow
Paso Pacifico
Making connections for conservation along Central America's Pacific slope. Doing the work.978 followers | Follow
Jason Taksony Hewitt
Ceci n'est pas une bio: Information Architect, Knowledge Manager, Semiotic Ecologist, Penseur Manquee.974 followers | Follow
Mov. Eu me Importo!
We are concerned about the global warming and hope you join us - The planet needs all of us now973 followers | Follow
Dovetail Partners
Non-Profit Organization, A Trusted Source of Environmental Information K.Fernholz, Exec. Dir.965 followers | Follow
Leda Meredith
author of 'The Locavore's Handbook' and 'Botany, Ballet, & Dinner from Scratch, writer,locavore,choreographer,teacher,forager962 followers | Follow
Wilderness Classroom
The Wilderness Classroom introduces k-8 students to the world's wildest places through online expeditions and school assemblies.960 followers | Follow
Bear Creek Sanctuary
Non-profit exotic wildlife sanctuary in Barrie, Ontario. We rescue confiscated, zoo surplus & situationally at risk exotic animals. Twitter acct. by Dana.949 followers | Follow
Climate Lab
We've launched a public climate change wiki for knowledge sharing and collaboration on climate change issues. Add your climate change info!940 followers | Follow
Water Alive!
Brought to you by The Ecologos Institute, initiatives include Water Hour (www.waterhour.org). Follow @Water_Alive for our 2012 campaign.925 followers | Follow
Maggie Barron
Editor and blogger tweeting on environment and cities (DC in particular). Foodie interested in agriculture, too.922 followers | Follow
Margi Prideaux
Policy specialist and navigator through the complex political world of protecting wildlife. Policy and Negotiations Director, Migratory Wildlife Network906 followers | Follow
WomenInConservation
WIC was created for girls and women to discover the world of conservation and connect with the best and brightest women leaders in the environmental movement899 followers | Follow
Conservation
Conservationist in the process of saving some of the natural world in Maine for my sons.....sons and daughters.895 followers | Follow
Tiffany Stecker
science/environment writer, reporter for ClimateWire. Tweets on climate, science, environment, rock&roll and reality TV are my own, RTs not endorsements.889 followers | Follow
Bioenergy Conference
The first global sustainable bioenergy conference – second one to take off 17-19 March, South Africa. Latest news and developments!884 followers | Follow
Bengt Littorin
I work at the Swedish EPA communicating environmental technology. At the side owner of the company Taraxacum miljömedia. This is my personal twitter feed.876 followers | Follow
The Wildlife Portal
Educationally charged and driven with a passion for all creatures, The Wildlife Portal is an exciting internet video channel that gets you closer to wildlife.809 followers | Follow
Enviro Lib
Open environmental news network. Contribute and submit articles and resources.806 followers | Follow
More piece of green!
We wish us all 'More piece of green!' News, latest, green, environment, environmentalist.779 followers | Follow
Marie Fiore
...and once you have tasted flight you will walk the earth with your eyes turned skyward, for there you have been and there you long to return. --770 followers | Follow
Virginia DEQ
The official Virginia DEQ Twitter account. Our mission is to protect and improve the environment and the well being of all Virginians.765 followers | Follow
GHF Youth Forum
150 selected international young adults will search for new ideas and solutions as to what young adults can do to address the human impact of climate change.759 followers | Follow
Brandon Smith-Hebson
Doubtful that's a true Roquefort. (Tweets about food, journalism, environment.)752 followers | Follow
Maria Rotunda
Sustainability & Climate Change Educator, Master Gardener specializing in edible schoolyard projects. I work for inspiration.751 followers | Follow
ALTA Amur Leopard
ALTA ( The Amur Leopard and Tiger Alliance) is an international coalition dedicated to the conservation of Amur leopards and tigers in Russia and China.731 followers | Follow
Mike Orcutt
I am a journalist. I work for @techreview, curate @newfuelist, follow politics too closely, and suffer through Seattle sports fanhood—one day to be redeemed.721 followers | Follow
Gawky and Gingerly
Definitely not tree huggers...probably more of plant be-frienders. We dig green food, green crafts, green products, green tweets and the color green.710 followers | Follow
Chris Otahal
I am a wildlife biologist - main focus is saving rainforests and bird conservation.707 followers | Follow
Brad Redlin
Agriculture policy professional; employed at Minnesota Dept. of Agriculture. Tweets are personal.700 followers | Follow
Be A Green Bean
Mom & Dad who loves eco-stuff, yoga. Don't use scented products. Make your own w/unscented + oils. Always read labels. Make shopping bags with old t-shirts.687 followers | Follow
Laurel Neme
Author of ANIMAL INVESTIGATORS, Host & Producer of The WildLife radio show & podcast, envl journalist, interest in wildlife biology, trafficking, forensics672 followers | Follow
Nature Consortium
Non-profit! Connecting people, arts, and nature. Free art classes, volunteer forest restoration, and yearly Arts in Nature Fest.671 followers | Follow
Andrew Hayes
Every life on Earth deserves a healthy environment and the fundamental benefits that nature provides639 followers | Follow
Marie Green
As King I declare these Earth-friendly lifestyle changes need to be made, to stop the continuing destuction of Our World! Thanks for Listening & Sharing ♥606 followers | Follow
Mark Fraser
Naturalist, Conservationist, Film Maker, Producer of the Nature Walks with Mark Fraser conservation show602 followers | Follow
Eco Terrarist
Eco Terrarist is a website which was created to highlight the issues out there in the world giving everyone an platform to discuss them.569 followers | Follow
Save The Earth
Founded in 1972, Save The Earth is a non-profit organization that helps fund environmental research at the nations top universities.548 followers | Follow
KyleTaylorLucas
Policy wonk and rabble-rouser for First Peoples, wild salmon, conservation. Manage public affairs, love to fish, golf, write, and root for Seattle Mariners.539 followers | Follow
Earthwatch
This account is no longer active. Please follow @earthwatch_org to learn about Earthwatch's efforts against climate change and visit www.earthwatch.org.509 followers | Follow
Conservation Today
Online conservation news and opinions website - see what we're writing about at the moment, as well as what stories take our interest. Tell us what you think!489 followers | Follow
Earth Artists
Earth Artists is a collaborative for artists, media and political advocates who use art and communications to transform society and the environment.473 followers | Follow
Susan Preston
Mom, Housewife, Foodie, Cook, Wine Lover, House Decorator, eco-freak, I do and love it all.458 followers | Follow
Mountain Institute
Working to conserve remote ecosystems, preserve mountain cultures, and raise awareness about mountain issues. www.mountain.org [Administered by Rosie Stone]451 followers | Follow
Safer Cans
Please join our campaign to encourage the canning industry to invest in safer alternatives to protect the food supply and to stop using BPA.448 followers | Follow
Juhi Shareef
Sustainability Consultant for #business and the #creative industries: where #culture and #technology meet #eco #green and #sustainability432 followers | Follow
Kimberly Jonson
I lead a (growing!) group of enviro-activists trying to save the environment in my hometown in Iowa, Ogden Marsh.406 followers | Follow
Krystal Johns
Michigan mom of 2 boys, newspaper columnist, lover of the outdoors.383 followers | Follow
Tread Lightly
Step up to the challenge to see what a difference 40 days can make.376 followers | Follow
OrokonuiEcosanctuary
Orokonui Ecosanctuary, a protected and natural habitat for NZ's threatened forest flora and fauna where people can encounter our rarest treasures.367 followers | Follow
Ethical Expeditions
Helping to build resilient social-ecological systems in Borneo367 followers | Follow
Delaware Bird-a-thon
Raising funds for conservation of migratory shorebird habitat in Delaware through an annual birding event!359 followers | Follow
random planter
into permaculture, sustainable living and climate change...er..well.. you know what I mean.339 followers | Follow
Larry West
Award-winning journalist covering environmental issues for About.com333 followers | Follow
OH Woodland Stewards
The Ohio Woodland Stewards Program provides woodland owners with a wide variety of forestry skills that they can apply to their own property.292 followers | Follow
Project Wildlife
Project Wildlife cares for injured, orphaned, and sick native wildlife of San Diego County, and releases rehabilitated animals back into their natural habitats.288 followers | Follow
Patrick Wylie
Post-modern forester interested in all things forest: industry, global enviro, climate and REDD247 followers | Follow
RPM Ecosystems
We use an all natural process (Root Production Method) to grow trees for conservation and restoration efforts. Trees are sustainable, fast growing, and hearty.226 followers | Follow
Scott Mouat
Wildlife Filmmaker and the Producer/Director of The Unnatural History of the Kakapo.197 followers | Follow
CleanerEarth Project
The Cleaner Earth Project is working to reduce the number of plastic bags used each year by over 100 million & we're looking for people to help!150 followers | Follow
ChandraGingerSherin
Contemplative creative, humor loving, dancing poetic, mystically inclined, Great Mystery induced, earth loving - visual performing healing artist.122 followers | Follow
Voice of South
We are talking about climate change on behalf of climate victims.101 followers | Follow
Critter Spotters
Wildlife watching, nature conservation and education is what we are all about! Join us on Facebook and MySpace too!68 followers | Follow
The Rainforest
52 followers | Follow
Martha Piper
33 followers | Follow
Bernard Griffin
Passionate about all things sustainable in transport systems & demand responsive services, always looking for news and data10 followers | Follow
