Green
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.157,417 followers | Follow
National Wildlife
National Wildlife Federation works to inspire Americans to protect wildlife for our children's future. Staff updating: @starfocus @rarewildlifeguy @ksuzj89,210 followers | Follow
TheBusyBrain
Father, Husband, Entrepreneur, Photography, Music Producer, Love Nature/Animals, Horrible Blogger, Outside-the-Box'er, UberGeek, Marketing, Ron Paul Supporter71,300 followers | Follow
Katie Bichon
I'm a Therapy Dog and I love to help people like you feel better!69,023 followers | Follow
NYT Green Blog
Green: A Blog About Energy and the Environment from The New York Times63,621 followers | Follow
Randy Ferrell
VP of Sales at Care2, social media, cause marketing, environment, sustainability, human rights, animal welfare, charity, social responsibility53,429 followers | Follow
MotherNatureNetwork
Environmental news, local foods, innovations, and green inspiration53,010 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.46,639 followers | Follow
Whitney Segura
External Internet Marketing Consultant, Green Entrepreneur, Gardener, Blogger, SMM, Business Owner. Follow 4 Tips, Jokes, Inspiration & Fun!39,969 followers | Follow
SEO Melbourne
Melbourne's most powerful SEO services. Our Search Engine Optimisation experts can get your business to the top of Google for top keywords, helping you profit36,376 followers | Follow
Eco Preservation Soc
Eco Preservation Society: Conservation, Reforestation and Education. We bring it together. Get conected, Get Involved, Make a difference.33,739 followers | Follow
Chris Ingham Brooke
For environmentalists who don't take themselves too seriously29,743 followers | Follow
Climate Progress
Blog dedicated to providing the progressive perspective on climate science, climate solutions, and climate politics.27,457 followers | Follow
Envirowire
tweeting the latest news in environmental politics - a @greenpeaceusa project26,235 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_News24,715 followers | Follow
david hallstrom
Interested in almost everything but will follow most people who post about legal and health issues or good clean humor.24,604 followers | Follow
RayBeckerman
Law, social justice, nature, human & animal rights, the arts, ecology. Progressive. I try to lend my voice to the voiceless. http://is.gd/cNFKN22,384 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.22,087 followers | Follow
Philippe Cousteau
Social entrepeneur, TV Host, CNN special correspondent, explorer, member of legendary family and CEO of EarthEcho International and Azure Worldwide.21,731 followers | Follow
Marnie Glickman
Activist, mom, former co-chair Green Party of the US, worked as managing director of Green Party of California21,428 followers | Follow
Roy Gayhart
Following my passion. Constantly looking for ways to grow the Solar & Distributed Generation Tribes http://www.linkedin.com/in/roygayhart20,484 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.19,383 followers | Follow
EarthIslandInstitute
Earth Island Institute grows environmental leadership to support the biological & cultural diversity that sustain the environment18,624 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!17,862 followers | Follow
Eppo Numan
Aiming to fly the 1st. #PoweredParaglider around the world, to promote a #Universal #Declaration on #Animal #Welfare and #Sustainable #Solutions Providers14,696 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!13,122 followers | Follow
Peter Kobel
Writer, author, advocate for environmental, economic and social justice.12,869 followers | Follow
Florida State Parks
Florida’s 160 state parks. Prices you can afford, experiences you can’t afford to miss.12,799 followers | Follow
Steven Suchar
Welcome...make yourself comfortable. I have always felt a heart connection with nature on every level. There is so much beauty to tweet about. :-)12,551 followers | Follow
ZEROGreenhouse
Founder/Chair-Greenhouse Neutral Foundation, Author Zero Greenhouse Emissions http://bit.ly/17b0u6 also @Bob_Williamson11,337 followers | Follow
myEARTH360.com
Eco ecommerce biz tweeting eco news & tips, eco action updates & occasional product offers. Founded by environmental advocate + concerned mom @LynnHasselbrgr.11,190 followers | Follow
Vegetable Gardening
For anyone on twitter interested in Vegetable gardening10,875 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.10,432 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.10,255 followers | Follow
CBD-Cntr for Bio Div
The Center works through science, law, and creative media to secure a future for all species, great or small, hovering on the brink of extinction.9,111 followers | Follow
Joni Thomas Doolin
CEO I Founder I People Report I Service Sector Workplace Expert I Speaker I #NoKidHungry Activist I Eco-citizen I Dogs & Cats l Changer of Commerce8,897 followers | Follow
Green is Universal
“Green is Universal” is NBCUniversal’s ongoing green initiative dedicated to raising Green awareness and helping to nurture a sustainable and healthy planet.8,724 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.8,426 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
Perri Blake Gorman
CEO/Founder @archively, co-founder @unrollme . rule breaker. truth speaker. networking magic-maker. make sh#t happen-er. iMentor. NYCer in my heart.7,438 followers | Follow
Brandon Glenn
Cotton is great for the environment! It's natural, biodegradable, and so darn comfy!7,258 followers | Follow
John Peter Thompson
Ask me your questions - Sustainability, ecosystems invasive species,natural philosophy, history, politics & current events explained7,045 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
Amber Allen
Social Media Explorer, SEO & ORM Specialist, Civil Engineer. Eco Conscious, Cat Owner, Movie Lover, Rational & Ridiculous Always.6,923 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 @myEARTH3606,820 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.6,605 followers | Follow
Davey Hill
I love Labradors. I have 5. I love Fishing. I play Golf. I work to protect the Environment in my spare time.6,505 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.6,312 followers | Follow
Brandon Glenn
Ask me questions about how your next fund raiser can go green! Earn money for your organization while going green at the same time :)6,181 followers | Follow
Matthew Rammelkamp
The body can heal itself of any disease! Help the body to correct the DNA so the body does not build incorrect cells.5,838 followers | Follow
Gregg McLachlan
Founder, CPRW, WorkCabin.ca, Canada's eco-focused Environmental Jobs Site. Boots-on-ground conservationist. Life rocked by nature & wildlife. @GreggMcLachlan5,122 followers | Follow
Arbor Day Foundation
Working to inspire people to plant, nurture, and celebrate trees. Follow us for tree news. Plant Trees!4,953 followers | Follow
ageofstupid
Climate blockbuster starring the lovely late Pete Postlethwaite4,566 followers | Follow
Jo-Anne Peck
FL-based Historic Preservation Consultant turned Garden Shed Designer tweeting about preservation, architecture, green bldg, sheds & Florida.4,371 followers | Follow
Wildflower Center
The mission of the Lady Bird Johnson Wildflower Center is to increase the sustainable use and conservation of native wildflowers, plants and landscapes.4,328 followers | Follow
Peter Whitlock
Interested in discussions about alternative fuels. Want to enable community around this topic.3,997 followers | Follow
Judith Kingsbury
Go Veg To Go Green! Curious talkative new-age hippy grandma. 40 yr veg, cook, gardener, yogini, supporting veggies with recipes, advice, articles, blogs3,994 followers | Follow
Dan J Frisby
Oceans/environment/animal support/Health/Education;Retired OK United Methodist minister; writer,poet,counselor, friend3,886 followers | Follow
Gilbert Mercier
French journalist, photojournalist & filmmaker based in the United States since 1983.Co-founder & editor in chief of News Junkie Post.3,830 followers | Follow
Paul Jimerson
Artist, Photographer, Environmentalist, Psychotherapist, Former Radio Personality, Animal Hugger, Ocean lover3,820 followers | Follow
Jim Braswell
I am a member of the Great Plains Nature Photographers (GPNP) and of the North American Nature Photographers Association (NANPA). Also a Master Gardener.3,782 followers | Follow
Kate Martin
Purveyor of Groovy News. ~ I could not,at any age,be content to take my place by the fireside and simply look on.Life was meant to be lived. ~ Eleanor Roosevelt3,743 followers | Follow
Claudine Shone
Rose Gardening Enthusiast - growing and raising my own roses, love my family and my two kids3,594 followers | Follow
Simple Green
Welcome to the simple green lifestyle. Change is coming. You can make a difference. Will you be a part of it?3,559 followers | Follow
ArborTech Consulting
• Certified Arborist • Same Day Service • Diagnosis Guaranteed & Accurate • 100% Biostimulant Treatments • Written Warranty Available3,337 followers | Follow
Marghanita
Founder of Let's Go Outside Revolution. Children's Author & Illustrator - Nature based books. Mother of 3. Passionate about connecting children with nature.3,331 followers | Follow
USWildflowers.com
Gerry Williamson: I'm learning to identify wildflowers of the United States and am sharing what I learn as I go.3,286 followers | Follow
Michael Anschel
Green design & remodeling expert. Green blogger for Remodeling Magazine & Service Magic Pro. Principal @ Otogawa-Anschel Design-Build. CEO of Verified Green.3,256 followers | Follow
michael wright
musings,web biz,artist,designer,comp tech,Radio Show Host The Perfumed Garden,my bit to save the planet?writing a book about that!all around good guy! Single3,245 followers | Follow
Karen Wilde
Bushcraft, nature, playoutdoors and outdoor living enthusiast. Oh, and I write a bit. Pays the bills: http://wildelycreative.com3,210 followers | Follow
Orion Grassroots
We track grassroots efforts to make ecological, social, and cultural change worldwide. A project of Orion magazine.3,168 followers | Follow
Annie Almeyda
Committed to life, protection and respect for the environment and animals3,149 followers | Follow
ForestFoundation.org
American Forest Foundation works on-the-ground w/ families, teachers, & other leaders to promote conservation stewardship & protect our nation's forest heritage3,127 followers | Follow
Sean O'Hanlon, MSE
Thought Leader in Algae tech, Agriculture 2.0 & Sustainable Biofuels. MSE, Bioneer & creator of #Biochat. I'm here to solve problems, not debate them.2,999 followers | Follow
Ioana G Petrisor
Editor-in-Chief of Environmental Forensics ■ World explorer ■ artist at heart ■ environmental scientist in fact ■ free in spirit...2,895 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 tornadoes2,812 followers | Follow
Carole Sevilla Brown
Ecosystem Gardening:creating welcoming habitat for wildlife Author, educator, speaker, Avid birder/butterflyer. Also tweet at @WildlifeGarden and @PlantNative2,781 followers | Follow
Love the Earth
Featuring news, stories, blogs & products about the what you can do to love the earth! Featuring earth, green living & social causes to get involved with!2,730 followers | Follow
Monika Bauerlein
Co-Editor of Mother Jones + mother of 3 = espressochocoholic2,610 followers | Follow
geographile
I mostly retweet geography-related news and chat about geography.2,545 followers | Follow
Chuck Bonner
Hiking slow to observe nature, not to conquer it. Author Noticing Nature, http://bit.ly/3t9GmV2,500 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
Andrew Baksh
A birder + gardener + beginning naturalist + techie and nature lover doing what I can to preserve wildlife for future generations.2,443 followers | Follow
Eco-Friendly Kids
Make sure your children join the green revolution. Eco-Friendly Kids brings you crafts, activities and more2,419 followers | Follow
Sandy Laurence
Love writing, photography, making jewelry & pottery, horticulture, aviculture & working while everyone else sleeps! Mom, wife, liberal2,371 followers | Follow
BWRiverkeeper
Black Warrior Riverkeeper is a non-profit whose mission is to protect and restore the Black Warrior River and its tributaries.2,353 followers | Follow
Morgan McKean
Personal Matchmaker, Intuitive, and Transformational Dating & Relationship Coach for Successful Singles desiring LOVE! FB: http://on.fb.me/ejjdIV2,253 followers | Follow
BonnieHoffman
Entrepreneur, SurvivalCookies.com, Voracious Smartphone Cyborg, Chocolate, WSUPullman, Seattle, Camper, Cyclist, Runner, Loving, Inclusive, Playful, Wise2,202 followers | Follow
Kimberly Button
Kimberly Button is an author, freelance journalist, TV correspondent, founder of greenWell, traveller, and speaker - www.kimbutton.com2,134 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
Natures Garden
The green-hearted garden editors of Nature’s Garden magazine and BHGnaturesgarden.com share tips, trivia and amazing photos of the great outdoors.2,057 followers | Follow
Laurel Krause
Still focusing on Kent State Truth Tribunal http://bit.ly/a02NFM & seeking harmony on planet earth http://bit.ly/cqKQLb2,052 followers | Follow
Leslie SayimaDreamer
Fighting the corporation that killed our son and poisoned a town. For people, peace & clean water!1,991 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 @threesquaresinc1,965 followers | Follow
Florida Native Plant
Osceola County Chapter of FL Native Plant Society. Meets monthly in Kissimmee. Visitors always welcome1,902 followers | Follow
Lynda Kitchikeesic
Interested in Indigenous anything! Justice, culture, youth, health, business, environment, you name it! News junkie too.1,869 followers | Follow
Tracey A. Smith
Powering our Cities and Protecting Our Oceans.Wave,Tidal,Hydro,Thermal,Offshore Wind1,761 followers | Follow
Benjamin Adelmann
I am an Artist connecting with designers for commissioned pieces. I hold credentials in Aesthetic Philosophy and write regularly on the subject.1,750 followers | Follow
Bridget Butler
Passionate about conservation education using social media, Beek=Bird Geek, works @ ECHO, thespian, kayaker, reluctant blogger & coffee junkie1,698 followers | Follow
Floracopeia
We are Replanting the Global Garden through the promotion and education of aromatic botanical medicine and eco-spirituality.1,667 followers | Follow
Sustain Our Planet
Sustain Our Planet is a green company specializing in carbon emissions analysis and carbon offsetting.1,577 followers | Follow
Shaina Niehans
Grad Student/Seasonal Park Ranger under the tallest trees. Love my husband and job! Interpretation, photography, wildlife, science. Views expressed are my own.1,545 followers | Follow
Rick Mathews
I have instituted a no fly zone over stupidtown. Don't even try it #Obama 2012 #NDP #agnostic1,541 followers | Follow
Dan Ritzman
Every morning I awake torn between a desire to save the world and an inclination to savor it. This makes planing the day difficult. - EB White1,492 followers | Follow
Annette WiseHollomon
Freeing the world of toxic chemicals, one household at a time.1,442 followers | Follow
Rory McHale
bull runner,free energy guru,social media evangelist,Humanist,Listener,Twitter Lover1,328 followers | Follow
School of Fish FDN
Providing culinary schools with sustainable seafood courses and advocating to make them a requirement worldwide.1,279 followers | Follow
Alastair Jamieson
Preoccupied with ecology, environment, photography and new media. Opinions expressed do not represent those of any employer.1,244 followers | Follow
Chris Ratcliffe
I love going green to promote healthy, wealthy life..Wellness,MLM1,233 followers | Follow
TennesseeRiverkeeper
The mission of Tennessee Riverkeeper is to protect the Tennessee River and its tributaries by enforcing enviro. laws and educating the public. @DavidWhiteside1,200 followers | Follow
Joyce Richardson
Free gardening tips for all levels, Information & Advice on Vegetable Gardening, and BEST GARDENING COUPONS AND OFFERS!1,187 followers | Follow
Eileen Trainor
CyberCelt is conquering HEP-C with natural remedies, the beach, wild flowers, sunshine and our little travel trailer.1,083 followers | Follow
thepoliticalcat
Opinionated ranting geek obsessed with politics, LGBTQ issues, science, cats and food; also gardening1,046 followers | Follow
Lindsey Averill
Feminist, thinker, pop-culture enthusiast, fat studies scholar, eco-conscious powerhouse. Let's join forces and infect the world!1,000 followers | Follow
About Terra
Ideas, actions steps, science, opinion on climate change clean energy, endangered species, open spaces, sustainability, clean air and water, human rights, more.998 followers | Follow
Energy Monitor
Greenix is a world leader in energy monitoring for your home and business.991 followers | Follow
John Joyce
985 followers | Follow
Tuckertown
Earth Inquiry LLC Cross Creek belongs to the wind and the rain, to the sun and the seasons, to the cosmic secrecy of seed, and beyond all to time.852 followers | Follow
Generation Green
Toxic chemicals and environmental health: info, alerts, tips and ideas from the Center for Environmental Health852 followers | Follow
Alissa Nicole
Non-conformist, explores psychology, global politics, arts. Inquisitive, left-brained, informed. I want to save the world.782 followers | Follow
Shelly Buschel
Canvas Dreams Sustainable Web Hosting--E-commerce Specialists-- Caring Customer Support--Reseller Hosting--Dedicated Servers & Elephant friendly!679 followers | Follow
David Kristie
Biology prof. Interests - botany, hort/agric, cell bio, edtech, elearning, collaboration, and food. And a big fan of the TiCats.673 followers | Follow
CoolGardenThings
Outdoor Home & Garden Decor Retailer offering beautiful Bird Feeders, Gazing Balls, Gel Fuel FirePots, fun conversation and useful gardening tips and ideas!659 followers | Follow
Big Cypress NPres
This is the official Twitter site for Big Cypress National Preserve, home of over 729,000 acres of freshwater swamp ecosystem.625 followers | Follow
Martyn Stewart
I am a British audio/naturalist working in location and field recordings mainly for TV film and radio, mostly specializing in natural history documentaries.621 followers | Follow
Ben Klasky
Scanning and sharing global philanthropic trends, with a passion for K-12 education reform and preserving the environment487 followers | Follow
Me &@people@who@care
If you don't know who I am you are dead from the neck up!390 followers | Follow
Nathan Lane
This is Nathan Lane's OFA Twitter account... to find out about my personal life, follow @redkattseven here on Twitter. Yes WE Can!388 followers | Follow
Buffy Redsecker
Working in Galapagos with the People there. Writing a book or 3. Photographing everything the obsessive travel bug puts in front of me. Making a difference?385 followers | Follow
Marsha Fulton
Former CI Info Pro/Analyst who likes reading, puzzling, birding, walking in nature and sports.323 followers | Follow
Freedom to Roam
Wildlife Corridors - Inspiring, Connecting, Preserving by Conservation Photographer Florian Schulz307 followers | Follow
Environment
Find Market Research & Analysis on the Environmental Industry - Search Over 300,000 Reports from 650 Publishers; Talk to an Expert! Also follow @MRDCEnergyData281 followers | Follow
Garden Fuels
Fire Up Your Garden! We supply all the things to help you grow big in the garden.269 followers | Follow
Mavis Chandler
244 followers | Follow
Stephanie Philpott
Former NYC fashion stylist now living in Austin, TX. Passionate about gardening, design, craft, DIY, science, politics and the well-being of our planet.183 followers | Follow
Sylvia Feldman
beekeeper gardener musician trying to minimize my ecological footprint75 followers | Follow
