Earthdayeveryday
Greenpeace
We're an independent global campaigning organisation acting to change attitudes and behavior, to protect the environment and promote peace.490,841 followers | Follow
The SETI Institute
We believe we are conducting the most profound search in human history — to know our beginnings and our place among the stars.218,667 followers | Follow
Nature Rocks
The Nature Conservancy's Nature Rocks program aims to inspire and empower families to play and explore in nature for happier, healthier and smarter children.191,595 followers | Follow
TreeHugger.com
Links, Ideas and Conversation from the TreeHugger hive mind, the latest in modern green.169,607 followers | Follow
EcoInteractive
Eco Preservation Society: Inspiring Action, Empowering People,Connecting Communities & Transforming the Planet through Conservation, Reforestation & Education160,856 followers | Follow
National Geographic
National Geographic - Since 1888, we've traveled the Earth, sharing stories with each new generation. See amazing images captured from around the world.159,687 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.157,856 followers | Follow
Earth Eats
Podcast, public radio program and blog from @wfiu. Tweets about local food, food safety, policy, sustainable agriculture, environmental news and recipes.137,166 followers | Follow
JaneGoodallInstitute
Find us on Facebook: www.facebook.com/theJGI and follow our youth program @RootsAndShoots.120,891 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.119,538 followers | Follow
HuffPost Green
Latest environment & energy news, green-IY projects, animal stories & more (contact: huffpostgreen@huffingtonpost.com)97,198 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 @julkosch95,524 followers | Follow
National Wildlife
National Wildlife Federation works to inspire Americans to protect wildlife for our children's future. Staff updating: @starfocus @rarewildlifeguy @ksuzj89,496 followers | Follow
Sea Shepherd
The Official Twitter page of Sea Shepherd Conservation Society. Defend. Conserve. Protect.87,091 followers | Follow
Guardian Environment
Green news, comment & more, run by the environmentguardian.co.uk team, inc @james_randerson & @adamvaughan_uk & @dpcarrington86,727 followers | Follow
Viking Services
Everything related to alternative energy, solar, wind and geothermal81,206 followers | Follow
Earth Hour
Dare the World to Save the Planet - Create an I Will If You Will challenge to take your action beyond the hour.77,006 followers | Follow
Surfrider Foundation
Dedicated to the protection and enjoyment of oceans, waves and beaches through a powerful activist network60,343 followers | Follow
Greenpeace USA
Saving the planet for 40 years. @meenazahra & @chr15_eat0n here, Tweeting for a green & peaceful future.56,172 followers | Follow
Carl Watts
I want2SAVEtheWORLD Art/artists,Twitter skills/nutrition/human rights.f4f.If I'm not tweeting I'm n TwitsJail/sleepn:-) Please@me dontDM.55,587 followers | Follow
Randy Ferrell
VP of Sales at Care2, social media, cause marketing, environment, sustainability, human rights, animal welfare, charity, social responsibility53,405 followers | Follow
MotherNatureNetwork
Environmental news, local foods, innovations, and green inspiration53,153 followers | Follow
Replant Rainforests
Eco Preservation Society: We are Replanting the Rainforests! Our intention is to Turn the Tide on Global Deforestation52,933 followers | Follow
WWF Climate Savers
Finding workable, practical solutions to the problems posed by Climate Change and Global Warming.48,694 followers | Follow
Green Business World
Green, eco, sustainability, low carbon, energy business industry news updates - tweets to you instantly!47,260 followers | Follow
Green Energy News
Your source for green energy news and eco-friendly products | Green Marketing & Advertising | Sustainable brands & technology- Offering HD video production!46,940 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.46,604 followers | Follow
Green Updates
News about green products and trends from sciencenewsblog.com.45,414 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.42,855 followers | Follow
toptentopten.com
Welcome to toptentopten.com, home of the most passionate Top Ten List loving community on the planet.40,927 followers | Follow
Stephen Duggan
Travel Writer, Green Travel Guru, Everything u need to know on Travel Ecotravel Hotels Destination Attractions Theme Parks Cruises Rail Bike Things2see and do!40,405 followers | Follow
Sierra Club
Since 1892, the Sierra Club has been working to protect communities, wild places, and the planet itself.39,079 followers | Follow
NASAEyesOnTheEarth
Being rocket scientists isn't enough...we're climate scientists too! News from NASA on all things climate.38,148 followers | Follow
Captain Paul Watson
If the oceans die, we die. We cannot live on this planet with a dead ocean.37,707 followers | Follow
Earth News
Wildlife, Nature, Science & Environment news from around the world. 'No 1 environmental news Twitter' - The Guardian + BBC news Live Updates.36,293 followers | Follow
HealthRanger
Consumer health advocate and editor of http://www.NaturalNews.com. Get a free eBook (25 Amazing Facts about Food) by visiting http://tinyurl.com/nnebook35,464 followers | Follow
ActionForOurPlanet
Action For Our Planet (AFOP) provides information on animal exploitation, rainforests, environmental issues, politics, veganism, poverty and human rights.34,275 followers | Follow
The Ecologist
The Ecologist - setting the environmental agenda since 1970. Like us on facebook: http://www.facebook.com/TheEcologist33,647 followers | Follow
Caelus Green Room
Join the Conversation in the Caelus Green Room! The CGR is a message board for sustainability, green, alternative energy, and environmental discussions.32,825 followers | Follow
Organic Universe
We tweet about organic, gardening & composting. We are purveyors of China FREE organic specialty foods, clothing & Biobags. Use code: twitter2011 to get $1 off.32,315 followers | Follow
Chris Price
I am a young professional and entrepreneur in LA. Into all things green and sustainable. Wake up and let's all do our part.30,754 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.30,524 followers | Follow
World Resources Inst
Environment and human needs - climate change, global warming, ecosystems, green business, sustainable markets, good governance, sustainable development29,839 followers | Follow
Greenversations
The official blog of the U.S. Environmental Protection Agency29,094 followers | Follow
The Oil Drum
A web-based/interactive energy, peak oil & sustainability research and news site; hosted by the nonprofit 501c3 Institute for the Study of Energy and Our Future28,981 followers | Follow
Ways 2 Go Green .com
The more people know & do, the better we all will be. That's where we come in. Like us on Facebook: http://tinyurl.com/Ways2GoGreen. run by @ClayInKy27,505 followers | Follow
YES! Magazine
Award-winning, solution-oriented journalism covering peace, justice and sustainability innovations in the US and beyond. Independent, nonprofit media.27,087 followers | Follow
Fairtrade Foundation
Fairtrade is about better prices, decent working conditions, local sustainability, and fair terms of trade for farmers and workers in the developing world.26,492 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.26,074 followers | Follow
Rainforest Alliance
International nonprofit organization working to conserve biodiversity and ensure sustainable livelihoods25,871 followers | Follow
Green Progress
The latest green technology and environmental science news.25,621 followers | Follow
Mother Earth News
The Original Guide to Living Wisely: Organic Gardening, Homesteading, Renewable Energy, Sustainable Food & Farming, DIY, Green Homes, Natural Health & More24,958 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 - Hyperwarming24,416 followers | Follow
BBC Nature
Official BBC Nature Twitter feed, bringing you global wildlife news, interesting nature facts & amazing BBC natural history video24,264 followers | Follow
Yale Environment 360
Opinion, Analysis and the Latest Environmental News - A Publication of the Yale School of Forestry & Environmental Studies.24,005 followers | Follow
Waterkeeper Alliance
The Voice for the World's Waters. (Our follows are not endorsements.)23,365 followers | Follow
ecosystemdiscovery
• green living • eco friendly • recycling • eco friendly products • sustainability • environment • wild life •21,774 followers | Follow
Children & Nature
The Children & Nature Network was created to support people and organizations working worldwide to reconnect children with nature. Host: Suz Lipman21,594 followers | Follow
Marnie Glickman
Activist, mom, former co-chair Green Party of the US, worked as managing director of Green Party of California21,401 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.21,145 followers | Follow
Greentech Media Inc.
Your source for news, research and analysis in the greentech business-to-business market. Visit our website and GTMResearch.com for more information.21,073 followers | Follow
US EPA News
Automated news releases from the US Environmental Protection Agency. Note: Twitterfeed sometimes breaks, so pls let @levyj413 know.20,822 followers | Follow
Eco Preservation
Eco Preservation Society: Eco Travel Supporting Conservation and Reforestation in Costa Rica. Make a Difference20,614 followers | Follow
NYTimes DotEarth
NYTimes.com/DotEarth is Andrew C. Revkin on Climate Change and Sustainable Living20,492 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.20,344 followers | Follow
J McIntire-Strasburg
Blogging a Greener World since 2003. The J is Jeff...19,354 followers | Follow
Alan S Hochman Photo
Wildlife photographer with a Masters Degree in Biology/Psychology18,857 followers | Follow
PBS Nature
Wednesdays at 8PM on PBS (check local listings). Tweets by the NATURE team.18,728 followers | Follow
EarthIslandInstitute
Earth Island Institute grows environmental leadership to support the biological & cultural diversity that sustain the environment18,659 followers | Follow
Ode Magazine
An international magazine for Intelligent Optimists about the people, passion & possibilities changing our world for the better. For Dutch version:@JoinOptimism18,541 followers | Follow
Inline Distributing
Inline is a national provider of environmental restoration, remediation, safety, construction, and disaster recovery products. Call us today at 818.768.3333.18,362 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.org17,960 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!17,871 followers | Follow
Green Maven
We're the world's most comprehensive Green Search Engine: Organic Food, EcoFashion, Clean Tech, EcoTourism, Green Building, Sustainable Business & more!17,648 followers | Follow
Climate Action
Searching for the path to a low carbon future from the depths of consumerist, capitalist Beijing! Find us on Facebook: facebook.com/climateaction17,619 followers | Follow
EWG Toxics Team
We use the power of information to protect public health and the environment.17,493 followers | Follow
EPS Climate
Eco Preservation Society: No Politics, No Propaganda, No Bull:17,422 followers | Follow
GreenEnergyInfo
Dedicated to bringing you the most up to date information about renewable energy sources and cutting edge energy generating technologies.17,361 followers | Follow
Polar Bear Trust
The Polar Bear Trust Supports Polar Bear Research, Education & Conservation.17,138 followers | Follow
NYTimes Environment
Breaking news and environmental news on the EPA, oceans and marine life, weather, wetlands, pollution, wildlife, global warming, hybrid cars, energy and nature.16,888 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.16,850 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/45780184536616,588 followers | Follow
SeaTurtleFoundation
The Sea Turtle Foundation is working to make sure there are Turtles for Tomorrow, for everyone to enjoy. Help us Save the Sea Turtles @ seaturtlefoundation.org16,237 followers | Follow
Enivronment Updates
Get a worldwide survey of scientific and political environmental news. Re-tweet if you want.16,077 followers | Follow
OriginOil (OOIL.OB)
OriginOil is developing a breakthrough technology that will transform algae, the most promising source of renewable oil, into a true competitor to petroleum.15,615 followers | Follow
Ocean Conservancy
Ocean Conservancy educates and empowers citizens to take action for our ocean, bringing people together to find science-based solutions for our water planet.15,363 followers | Follow
Global Warming
Global warming, climate change and environment news. See also @greennews and @science15,191 followers | Follow
Barbara Matthiessen
wife, mom, artist, dog lover not necessarily in that order15,156 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!15,082 followers | Follow
OneClimate
OneClimate.net is a new social networking space for sharing ideas and taking action on climate change.14,995 followers | Follow
The Green Home
14,755 followers | Follow
Eppo Numan
Aiming to fly the 1st. #PoweredParaglider around the world, to promote a #Universal #Declaration on #Animal #Welfare and #Sustainable #Solutions Providers14,688 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.14,323 followers | Follow
EcoInvestmentNetwork
14,279 followers | Follow
SmarterLight LEDs
Taking Action, Giving Light. Smarterlight.com is a world leading provider of eco friendly lighting solutions. http://www.smarterlight.com13,903 followers | Follow
Alt Energy News
Automated news updates about alternative energy powered by Daylife and Earth Community Project13,869 followers | Follow
Earth Times Blogs
Green Blogs on The Earth Times; Eco Fashion, Opinion, Ecotourism, Green Gadgets13,798 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 17-1813,586 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.13,405 followers | Follow
Connect4Climate
Leading communications platform dedicated to development communications. Join the conversation at http://connect4climate.org13,214 followers | Follow
Energy Action
Updates from the youth clean energy movement. Building a generation-wide movement to address the climate crisis and create a #powershift!13,139 followers | Follow
Greenpeace Australia
Positive change through environmental action. @elsa_la_guerita & @jamie_ling here, tweeting for a green and peaceful future.13,111 followers | Follow
Paula Crossfield
Managing editor of Civil Eats, Huffpo blogger, contributing producer at The Leonard Lopate Show, rookie gardener, avid cook, food policy wonkette12,973 followers | Follow
Peter Kobel
Writer, author, advocate for environmental, economic and social justice.12,878 followers | Follow
Liz McLellan
owner hyperlocavore.com - a yardsharing community. Let's grow together! Foodie, gardener, crafty nerd and hot-headed ginger. http://ow.ly/acvWq12,185 followers | Follow
Greenology
Greenology is the world's largest green social network, and the first to introduce Interactive Reality technology on it's web site: GreenologyMag.com12,075 followers | Follow
Jaymi Heimbuch
Green Technology Editor and writer @TreeHugger. Environmentalist and photography enthusiast.11,895 followers | Follow
CARBON NEWS
Carbon News...The Carbon Economy Experts. Our new website launching soon. www.CarbonNews.com11,690 followers | Follow
Natural Energy
Everything about natural energy especially solar and wind energy.11,654 followers | Follow
action4ifaw
International Animal Welfare organization, saving animals in crisis around the world.11,524 followers | Follow
ZEROGreenhouse
Founder/Chair-Greenhouse Neutral Foundation, Author Zero Greenhouse Emissions http://bit.ly/17b0u6 also @Bob_Williamson11,334 followers | Follow
dusty gedge
biodiversity professional, green roof campaigner/designer,public speaker, ecosystems services and green roof trainer - indigenous people + justice11,283 followers | Follow
Blue Planet Society
Campaigning to stop overfishing and to protect marine life11,096 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 @afmiziara11,005 followers | Follow
Wind Power & Energy
Wind Power - Wind Energy - Wind Electric: Generated by wind turbines - clean, green, energy efficient and renewable. Tweeting developments and my wind spin ..10,946 followers | Follow
NOAAOceanToday
NOAA Ocean Today is a NOAA/Smithsonian partnership - Follow us for the latest ocean news10,908 followers | Follow
FARM Animal Rights
Farm Animal Rights Movement ~ national nonprofit promoting a vegan lifestyle to benefit the animals, the Earth, & public health.10,860 followers | Follow
EAs for Earth(lings)
arm-chair activists, beach cleaners, animal defenders, human rights advocates, ... all welcome :) TY for helping10,851 followers | Follow
Damian Grounds
- In my spare time I've set-up Help Save Bees to help raise awareness and to donate money towards research and conservation work to help save bees.10,796 followers | Follow
Cleaner USA
Innovative Solar, Wind & Energy, Earth Matters, Green Planet & Our Growing Business Nutritional Wellness Gourmet Coffee & Tea http://www.myganocafe.com/SoGood10,554 followers | Follow
ECOsmarte Systems
Chemical free water purification for pools, spas, homes, RV s & more. Beneficial for health and environment. In 100+ countries. Great tasting water 877-604-422710,294 followers | Follow
quippd Environment
10,270 followers | Follow
GreenEvangelicals
Our focus is to work on bringing evangelicals together in support of solutions that meet our country's energy needs and address our environmental challenges.10,254 followers | Follow
EnergyBoom
Scouring the globe for the latest renewable energy and tech news so you don't have to!10,219 followers | Follow
Fabien Cousteau
Eldest grandson of Jacques Yves Cousteau, Fabien continues the legacy and mission of exploration, media production, environmental advocacy and plantafish.org10,147 followers | Follow
John Shegerian
electronicrecyclers.com 1800RECYCLING.COM greenager.com urbanmining.org www.addicted.com mandingoandme.com linkedin.com/in/johnshegerian10,127 followers | Follow
Earth Day Canada
Providing Canadians with the practical knowledge and tools they need to lessen their impact on the environment.10,054 followers | Follow
Our Amazing Planet
OurAmazingPlanet explores the wonder and beauty of Earth through news, features and images.10,034 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 service9,986 followers | Follow
The League
League Against Cruel Sports. The UK's leading charity campaigning to end animal abuse in the name of 'sport'. Founded 1924. @LeagueJoe is our Chief Executive9,941 followers | Follow
SCUBA junkie
I make awesome SCUBA websites, I am a SCUBA instructor, I maintain a list of SCUBA divers on Twitter and I want to get on Twitter's suggested user list !9,930 followers | Follow
Tom Raftery
Speaker, lead Analyst at GreenMonk, the Energy and Sustainability practice of industry analyst firm RedMonk. Opinions mine etc.9,823 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.9,592 followers | Follow
OrganicGuide.com
Hi - I'm Tony from OrganicGuide.com. Keep up-to-date with organic news, resources, events and more.9,556 followers | Follow
Organic Gurus
Organicgurus.net offers a unique selection of organic, eco-friendly products including USDA certified organic, fair-trade, biodynamic, gluten-free, vegan items9,439 followers | Follow
Planet Forward
We feature innovations in sustainability, climate change and energy. Also http://www.facebook.com/planetforward.org and http://www.youtube.com/planetforwardtv9,261 followers | Follow
Save Japan Dolphins
Committed to ending the exploitation of dolphins for food and entertainment. Currently focused on ending the hunt of over 20,000 dolphins per year in Japan.9,243 followers | Follow
Sanctuaries (NOAA)
Today’s National Marine Sanctuary System is a network of special places preserving and protecting our ocean and great lakes.9,113 followers | Follow
@NitaBug_GDC
We provide Recycling services, are eco-minded, & eager to find green solutions. Join us: http://facebook.com/greendreamrecycling8,788 followers | Follow
David Blankenship
I love solar and the idea of building a sustainable renewable economy.8,753 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!8,645 followers | Follow
ChatterBirds
World leading birdwatching social network to share bird information, make friends, store sightings, images and chatter. All birdwatchers welcome and it's FREE8,625 followers | Follow
Green Home Tips
Greening your home is simple and something that you can start today. By following basic tips, your home will be a greener, healthier place to live!8,404 followers | Follow
Sustainable Farm
#Sustainable living, #composting & #recycling enthusiast, Eco advocate, #Green connoisseur, small farmer in northern Washington... and kind :) Please @me not DM8,084 followers | Follow
Stop Climate Chaos
The Stop Climate Chaos Coalition is the largest UK coalition tackling climate change issues.8,082 followers | Follow
Michael G.R.
I work for the Discovery Channel as a Science/Tech/Transportation writer for TreeHugger and Planet Green.8,040 followers | Follow
Plastic Pollutes!
A non-partisan coalition of individuals and institutions committed to eliminating plastic pollution worldwide.7,975 followers | Follow
Greenworld365
GreenWorld 365 is about a passion to make a difference one small step at a time, 365 days a year. The latest eco-news, solutions and tips for living Green.7,812 followers | Follow
David M. Brown, MD
Marketing Consultant for Business; Mobile Websites; Local Online Marketing; SEO; BRING BACK OUR SONICS Founder; Speaker, Dog Lover.7,762 followers | Follow
Ginny Kisch Messina
Vegan dietitian, blogger, National Vegan Examiner, animal advocate, gardener, reader, newbie knitter, mom to rescued cats. Author of 'Vegan for Life!'7,631 followers | Follow
Polar Bears Int'l.
Polar Bears International welcomes you to its official Twitter site! We're the world's leading nonprofit focused on conserving polar bears and their habitat.7,498 followers | Follow
Henricus Peters
Making conservation connections - about children & Nature, Environmental Education, Playoutdoors and Sustainability. Also at @NAEE_UK. Fuller discussions at7,489 followers | Follow
Sustainable Mike
Sustainablity, CSR, Environment, eco Green Design, & helping people reach Sustainable Goals, in any Economy! Tweet me if I forget to Follow:)7,201 followers | Follow
RarePlanet
Rare is an international NGO that designs community-based solutions to global conservation challenges. Conservation is about people.7,142 followers | Follow
Environmental Techs
7,064 followers | Follow
World Land Trust
International conservation charity funding the protection of rainforest and other wildlife habitats. Donate at http://www.worldlandtrust.org/supporting/donate7,000 followers | Follow
Paul Smith
Sustainable/Green Biz Consultant. Global trend tracker for the greater good. Digital PR. Blogger for @TriplePundit. Ghost Writer for ____. Cyclist.6,926 followers | Follow
Love Canal 2020
Environmental Educator Dedicated to saving Green places and protecting the watersheds6,851 followers | Follow
DorsetWildlifeTrust
Tweets on all things wildlife from Kerry, Steve, Jane & Nicky at the largest wildlife conservation organisation in Dorset.6,793 followers | Follow
Amer Cetacean Soc
The American Cetacean Society protects whales, dolphins, porpoises, and their habitats through public education, research grants, and conservation actions.6,772 followers | Follow
Nature Canada
Meet our team! The people at Nature Canada are bringing you the inside scoop and latest updates on our conservation, outreach and advocacy work.6,763 followers | Follow
Care Environment
6,762 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.6,623 followers | Follow
MavericksSurf.com
This is the official Twitter location for Mavericks and The Mavericks Surf Contest®. For more info, please visit MavericksSurf.com6,584 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.6,335 followers | Follow
Darryl Lombard
Gardener, graphic designer, artist, writer, photographer, foodie, blogger. Day job: responsible tourism development & marketing consultant6,314 followers | Follow
Laurens de Groot
Innovation| Conservation| Sustainability| Direct Action| Sea Shepherd| Fitness| Sport |Technology and stuff I find interesting.6,306 followers | Follow
mybigearth
Global Philanthropic Social News Community focused on social evolution, sustainable, green, holistic, alternative energy Visit FB - http://on.fb.me/mybigearth6,295 followers | Follow
The Cove News
Real-time news feed for @TheCoveMovie. Track who and where people are talking about The Cove, Taiji and Preserving Our Oceans.6,216 followers | Follow
ecolutionist
Ecolutionist is a weblog dedicated to the evolution of progressive thought, actions and ideas, with the planet in mind. Survival of the Greenest!6,208 followers | Follow
Lynn Hasselberger
Mom, environmental advocate, truth seeker, health nut, recovering social media addict. Also tweet @myEARTH360 + @IC4ME #green #humanrights #waterwednesday6,190 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/77zero6,175 followers | Follow
Nat'l MarineLife Ctr
Rehabilitating stranded sea turtles, seals, dolphins, porpoises & whales, & advancing scientific knowledge & education in marine wildlife health & conservation.6,126 followers | Follow
Green Power
Dedicated to the development and research of green power sources and technologies.6,046 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.com6,040 followers | Follow
Barry Katz, LEED AP
Green builder, consultant, & author. My book, PRACTICAL GREEN REMODELING is at Amazon http://tinyurl.com/RemodelGreen. My blog: http://TheFutureIsGreenBlog.com6,034 followers | Follow
The Earth Times
The Earth Times covers environmental news topics and environmental issues. Visit us at www.facebook.com/TheEarthTimes5,986 followers | Follow
Ocean Plastics
Read the latest buzz about plastics in our oceans. Then log-in via Twitter and join the conversation!5,961 followers | Follow
NatureConservancyCDA
The Nature Conservancy of Canada is the country's leading land conservation organization, with more than 2.6 million acres protected since 1962.5,909 followers | Follow
EcoEinstein
Peter Einstein -Founder, EcoActiveUSA & EcoChicProject; Member of Transformational Leadership Council & NYC Twitter Elite #green #eco #climate #CSR #SocEnt5,870 followers | Follow
Jim McClelland
Sustainable Futurist, Speaker, Facilitator & Journalist. Ex-Editor & Founder sustain' Magazine. Interests: Systemics, Swarm Theory, EthEco Design, CSR, Choice.5,742 followers | Follow
SustFoodSystems
Sustainable Food Systems transforms food programs to be more healthy and sustainable.5,644 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!5,574 followers | Follow
Wildlife Alliance
Direct Protection to Forests and Wildlife. Learn more at http://wildlifealliance.org or http://facebook.com/WildlifeAlliance. Tweeting from Cambodia and the US.5,446 followers | Follow
M Sanjayan
Lead scientist at @nature_org & global conservationist. TV host, @CBSNews contributor, writer, flyfisher & explorer. Trying 2 live in Montana. Tweets=my own.5,406 followers | Follow
EnvironmentalDefence
Environmental Defence challenges, and inspires change in government, business and people to ensure a greener, healthier and prosperous life for all.5,341 followers | Follow
Sailors for the Sea
Educates and engages the boating community in the worldwide protection of the oceans. Galvanizing the boating community around ocean conservation.5,284 followers | Follow
GetSolar.com
Matching residential and commercial customers with qualified solar pros. And vice versa. Providing free, personalized service and solar info.5,076 followers | Follow
Conservation Ontario
Conservation Ontario is the umbrella organization that represents Ontario's 36 Conservation Authorities5,038 followers | Follow
Greenpeace EU unit
Political tweets by the Brussels EU policy unit on the environment, climate change, energy, fisheries, agriculture, chemicals, forests, transparency...5,008 followers | Follow
Megan Geromichalos
Mom. Wife. Loves Baking. Obsessed Foodie. Crafter. Christian. Stroke and Leukemia survivor. Passionate about Sustainable Farming and Slow Food. Pie Obsessed.4,860 followers | Follow
Triple Bottom Line
Promoting the emergence of shared value in business - for People, Planet & Profit.4,834 followers | Follow
Ronald Ernest Paul
Honest, Trustworthy, Principled, Sincere, Consistent, Reliable, Loyal, Ethical, Doctor, Fighter, President. http://www.youtube.com/watch?v=ohKz9OeiI0g Paulinate4,814 followers | Follow
davidhodgson
nourishing life, nurturing the emergence of a thrivable society4,581 followers | Follow
DivingList
Hi, I'm DivingList. I'm here to spread the word & dive news to Divers.4,498 followers | Follow
Lou Kawakami
Promoting ocean conservation, responsible scuba diving, green travel.Passionate diver and marketer. Looking for ocean-loving people and companies to work with.4,222 followers | Follow
Solar Update
4,149 followers | Follow
Oil and Mining Watch
giving you the good oil on the bad practices of oil & mining operators big or small4,072 followers | Follow
Greenpeace Nuclear
Greenpeace International's Nuclear Reaction: blogging the meltdown of the nuclear industry4,043 followers | Follow
enviro.aero
The latest news on sustainable aviation from the commerical air transoport sector.4,012 followers | Follow
Dr. Kate Riordan
I am in favor of animal rights as well as human rights. That is the way of a whole human being. Gods beauty is all around us.3,987 followers | Follow
ClimaTweets
Pulling together the best Climate blogs on the planet. Email to be added.3,980 followers | Follow
Paul Jimerson
Artist, Photographer, Environmentalist, Psychotherapist, Former Radio Personality, Animal Hugger, Ocean lover3,821 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 RT3,756 followers | Follow
Carbonfund.org
Carbonfund.org, leading nonprofit climate change solutions organization3,711 followers | Follow
Collins Birds
Brand new birding website from Collins - latest sighting reports and definitive species info free to use!3,605 followers | Follow
Ingi Ingason
22 year news veteran, Executive Producer & Cameraman for NetGreen News Europe3,479 followers | Follow
Environment Texas
Environment Texas is a statewide, citizen-based environmental advocacy organization working for clean air, clean water and open spaces3,363 followers | Follow
EcoMowers.com
no gas, less noise, just a naturally clean cut. We are an innovative fun company leading the eco-friendly lawn mower movement. Join us today!3,342 followers | Follow
Christellar
Advocate 4 #wildlife conservation, abuse victims & world #peace • #Green Canadian Chubficionado • LOVE HUGS, #slowfood, wine & great friends!! • #GoJetsGo3,268 followers | Follow
WWF- New Zealand
Working with NZ communities to build a future where people live in harmony with nature. Also at facebook.com/wwfnewzealand3,214 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?3,197 followers | Follow
Greenpeace Students
The Greenpeace Student Network is an alliance of passionate leaders fighting environmental crimes with grassroots power. www.greenpeacestudents.org3,092 followers | Follow
WildForests
❀ Promoting the UN's 'Decade of Biodiversity' with tweets about forest ecology, conservation of biodiversity & eco-politics. #ancientforests3,080 followers | Follow
Care2Healthy
Care2's Healthy Living was thousands of ways to enhance your life, including food & recipes, health & wellness, a healthy home and pets.3,063 followers | Follow
Transition Bedford
Building genuine community; restoring balance & harmony with the Earth; addressing the issues of climate change and peak oil thru the Transition Town Network3,063 followers | Follow
Matt Embrey
I'm the publisher of @EarthIndustry, @greenupgrader @ecopolitology & @crispgreen... by day and a humble public servant by night.2,969 followers | Follow
Hardy Jones
Devoted to work of BlueVoice.org, protecting dolphins, whales, research n education on contaminants in oceans such as mercury PCBs, also dolphin communication2,944 followers | Follow
Michael Penwarden
Husband, father, stand up paddler, cyclist, sailor, adventure traveler and CEO, Matter Network -- the hub of the sustainability revolution2,922 followers | Follow
WaterOnline
Breaking news and resources from the water, wastewater, and stormwater industries.2,890 followers | Follow
Cindy Francine Bruno
Oklahoma girl who luvs the Ocean,marinelife,surfing& collecting shells. Everything is connected. Ocean is not far(minus Texas),Luv 2 tweet& chase tornadoes2,820 followers | Follow
Kim Masoner
I conduct beach cleanups at any beach in So Cal - and I believe that 1 person can make a difference. .2,747 followers | Follow
Youth For Climate
By and for young people taking action on federal and international climate policy. Brought to you by the National Wildlife Federation.2,742 followers | Follow
Larry Oliver
#climatehawk #climatecrisis #water #watercrisis Warning! High Volume2,678 followers | Follow
ClimateJusticeAction
Climate Justice Action (CJA) network - (un)official blog reporting news, activism and organizing regarding Climate Justice2,560 followers | Follow
Fabien Cousteau
Stimulating marine education and restoration initiatives around the world.2,549 followers | Follow
Ray Hayden
Ranger, wildlife - wilderness advocate, forest fire crew boss, Progressive Dem (ecology, environment, conservation, hiking, backpacking, baseball, sleddogs)2,507 followers | Follow
Toxic Soup
Doc film about everyday folks fighting to protect their air, water & blood from pollution ft. @billclinton, @RFKjr + @jennyfrommtv. As seen on @freespeechtv2,485 followers | Follow
Rainforest News
Rainforest News is an independent observatory on natural forests. Our aim is to protect world natural forests.2,481 followers | Follow
Filmmaking Naturally
Award-winning nature and wildlife filmmaker Kevin J Railsback has traveled as far as Africa to test HD cameras for Panasonic.2,376 followers | Follow
Stop Ocean Pollution
As go the oceans, so go the rest of the planet. Our own fate is inextricably linked to the health of the ocean. In protecting the ocean, we protect ourselves.2,337 followers | Follow
Plant a Tree Today
We plant trees. We educate communities about sustainable forestry and children on the environment. We work against Climate Change. We love the earth!2,322 followers | Follow
Earth Island Journal
Quarterly journal dedicated to investigative journalism about environmental issues.2,308 followers | Follow
Cherilyn Jose
I'm a Marine Biologist, SCUBA diver, Writer, Photographer and Stay At Home Mom who is getting word out about the plight of our precious oceans2,306 followers | Follow
Environment News
Reviewed biocentric ecology news feed & micro-blog by Dr. Glen Barry. Dedicated to averting ecosystem collapse & sustaining global ecology. From @EcoInternet2,201 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.2,115 followers | Follow
Veggie News
From veggie news to vegan shoes, Vegtalk scours every root & branch for your everyday vegan news diet.2,046 followers | Follow
Derek Thomas
Retired academic. Environmentalist. Chairman Wildlife Trusts Wales. Shade-grown coffee. I get solace from rainforests, Neotropical warblers, Mozart & writing.1,950 followers | Follow
Sealife Conservation
Our mission is to inspire marine conservation through research and education1,919 followers | Follow
africanpenguin
African Penguin launches new title iThemba and The Big Spill #iPadApp #picturebooks #eco SAVE THE RHINO, GREAT WHITES, BABOONS, PENGUINS1,884 followers | Follow
Green Trend
Tweeting about what's going on with our environment and global ecology.1,818 followers | Follow
STOPlasticBags
You care about the planet - but you use plastic bags. Let's work together StopTakingOnPlastic follow @OnSept26STOP1,814 followers | Follow
Lavish & Lime
One of Canada's best sources for healthy & eco-friendly green alternatives that are good for your family AND the planet too! ♥ http://www.lavishandlime.com1,794 followers | Follow
changeEnviro
Change.org is the world’s fastest growing platform for social change. Here you'll find all the latest news & campaigns about environmental & climate issues.1,782 followers | Follow
EnvironmentPassion
Follow your Environment Passion Here! We will be feeding all Environment News, Updates Reviews and Tips. We hope to help you pursue and follow your Passion.1,708 followers | Follow
CO2 Australia
We’re creating a better climate by establishing native forests to help big businesses reduce their carbon pollution. And we’ve been doing it for years.1,693 followers | Follow
Respect Our Seas
Respect Our Seas gathers together all those who are concerned about the current state of our seas, and who want to do something about it.1,676 followers | Follow
NE Sustainable Ag.
Promoting sustainable and organic farming and foods in Nebraska and the Midwest for over 45 years!1,670 followers | Follow
Will Steger
Polar explorer, educator, author, environmentalist, climate change activist. Twitter managed by Will Steger Foundation.1,646 followers | Follow
SackThePlastic
SackThePlastic.org is an Atlanta-based environmental advocacy group that focuses on eliminating single-use plastic bags. Contact us if you'd like to help!1,612 followers | Follow
Lynne Hooper
Everything is connected. We cannot separate human rights from protection of the environment.1,600 followers | Follow
Denise Taylor
Environmental education, nature conservation, art & technology, serious games, e-learning.1,596 followers | Follow
love tomorrow today
sharing products & ideas with people who envision a better tomorrow.1,581 followers | Follow
planetwize
Planetwize highlights global culture and sustainable solutions to poverty. We produce media and technology projects for sustainability and social good1,538 followers | Follow
MIDKNIGHT6
An internet activist that passes information within the CLOUD. Mostly enviornmental awareness. "The greatest danger to our future is apathy."1,511 followers | Follow
Operation Migration
Using ultralight aircraft to safeguard endangered Whooping cranes1,490 followers | Follow
Kate Redman
Marine mammalogist, cetologist, oceanophile, childfree, Potterhead, Ravenclaw & total geek. Used to ID dolphins for @CBMWC. Recently moved to Amsterdam.1,416 followers | Follow
GreenHeroes
GreenHeroes is a web channel dedicated to saving the planet one story at a time...1,404 followers | Follow
Brett Stark
Brett Stark, an Aussie into the Environment and all things Green. I focus on Renewable Energy and Nature focused Lifestyle (gardening, permaculture, off grid).1,401 followers | Follow
Amy J. Putnam
Whales, planet, oceans. Web design. Photography. LGBT. Wellesley alum. Folkie. Blogger. Activist. whalegeek.com, photomonk.com1,397 followers | Follow
Modal the Tortoise
I am a simple shelled being. I tweet and retweet the truth. My friends care about wildlife environment animals yoga music dance Buddha love characters.1,362 followers | Follow
Bayshore Recycling
The Mega-Mall of Recycling for proper, environmentally-sensitive disposal and recycling of materials. Class A facility coming in 2012! http://on.fb.me/yj6ZTv1,353 followers | Follow
The Co-operative
Updates about our campaign to stop tar sands expansion, including the BEAVER LAKE CREE's legal challenge the and touring TARNISHED EARTH photo exhibition.1,248 followers | Follow
AmericanTortRescue
International nonprofit founded in 1990 for protection of turtles and tortoises; saved more than 3000; stop pet trade, live food markets, habitat destruction1,238 followers | Follow
Cheryl Newcomb
New awareness of the perils of plastics and the wisdom to find better alternatives. (PS I love Pinterest!)1,189 followers | Follow
Plastiktree
Believe all living things have the right to life, liberty and the pursuit of happyness. Don't destroy Earth. Protect it! Embrace it!1,184 followers | Follow
SpyhopNews
Spyhop posts the latest news in marine conservation, sustainability, and science.1,175 followers | Follow
Earth Made Simple
Making the Earth a better place through simple living and helping the environment.1,146 followers | Follow
Inside Cop15
Media-focused tweets and video content from inside the UNFCCC Copenhagen Summit1,128 followers | Follow
Zoe Nature
It's Our Nature. For people who care about our fellow animals, nature and the earth. Daily news, views, life and living at www.zoenature.org1,121 followers | Follow
Arlo Hemphill
Conservationist, writer & lover of all things wet & wilderness. I talk about the ocean, climate change and film & digital media from an eco-perspective.1,083 followers | Follow
100%RecycledProducts
We are a team devoted to making products from 100% Recycled materials. We're introducing our 1st: a polo shirt made from 100% recycled drink (PET) bottles!1,062 followers | Follow
Jeff Mittelstadt
Sustainability pro, wildlife conservationist, journalist, businessman, policy analyst, economist, film-maker, wildlife photographer. In April: www.wildsides.org1,059 followers | Follow
Enviroblogger
Motivating people to help protect the environment and save the world's imperiled wildlife and their habitats through science, education and political activism.1,015 followers | Follow
One More Generation
Nonprofit organization dedicated to the preservation of endangered wildlife. Goal: ensure all endangered species survive at least One More Generation & beyond.1,005 followers | Follow
Litter Free Planet
Let's leave our planet a little cleaner and a little greener than we found it. You can start making a difference today...one piece of litter at a time.994 followers | Follow
Green Ahead
Environmental information regarding renewable energies, the environment and green technologies986 followers | Follow
Team Earth
We're fighting climate change by encouraging everyone to take action. Non-treehuggers welcome! A project of Conservation International.960 followers | Follow
markgrowden
Singer, multi-instrumentalist, composer, writer, educator, painter, and print-maker.959 followers | Follow
Reginald Cottle
https://facebook.com/CausesWithoutBorders Climate Change, Energy Technology, Culture, and Environment ...945 followers | Follow
Gordon J Millar
nonpartisan global movement to BAN #plastic bags in #Edinburgh @TheGlobalWe @PlasticPollutes @DeepEcoDads @GordonJMillar bpb_edinburgh@hotmail.co.uk945 followers | Follow
Keith Saunders
Humanitarian ectomorph, studying human and avian ecology. http://www.flickr.com/photos/global_eyes/sets/911 followers | Follow
The Scuttlefish
love the ocean. wish you were here. *that's a cuttlefish photo, not a scuttlefish. no scuttlefish have ever allowed themselves to be caught by silly humans!796 followers | Follow
rockingreen
Check out the Rockin' in the Green World blog: the music lover's guide to going green.794 followers | Follow
GardenPassion
Follow your Gardening Passion Here! We will be feeding all Gardening News, Updates Reviews and Tips. We hope to help you pursue and follow your Passion.793 followers | Follow
EIN Global Warming
Latest global warming news for global professionals & analysts. Global Warming News Today is a media monitoring service provided by EIN News.771 followers | Follow
World We Share
All natural cuteness! We feature amazing wildlife stories and photos daily.759 followers | Follow
Ras Menelik
753 followers | Follow
Chris Otahal
I am a wildlife biologist - main focus is saving rainforests and bird conservation.706 followers | Follow
GM-free Ireland
Keeping the island of Ireland as a GMO-free biosafety reserve for Europe.590 followers | Follow
Assignment Earth
Assignment Earth features compelling video reports from the front lines of major environmental news stories across the globe.516 followers | Follow
Save OurDolphins
Sharing my voice to stop the cruel slaughter and exploitation of Dolphins and all animals.438 followers | Follow
Mother Earth
Mother Earth, sustainable designer, scientist, environmental artist420 followers | Follow
ProtectMustangs
We work to inform the public about the mustang crisis, protect America's wild horses on the range and help those who have lost their freedom. Anne Novak tweets.393 followers | Follow
Michelle Valadez
A Minnesota eco conscious wife, mother, beekeeper, beetographer, writer, and domestic goddess in training.369 followers | Follow
Peter Panayi
Species: Human. Age: Too old. Knows: Too much. Retired physicist, Mathematician, Engineer,Occasional inventor.302 followers | Follow
Nuclear Free World
The Global Conference for a Nuclear Power Free World will be held on January 14-15, 2012 at Pacifico in Yokohama, Japan. See web site for more details!252 followers | Follow
