Climate/environment
National Geographic
Since 1888, we've traveled the Earth, sharing its amazing stories with new generations. Official Twitter account of National Geographic.1,876,224 followers | Follow
paul steele
Enjoying the outdoors, mountains challenges. Sharing Travel, photography, and more. Travel Blogger at BaldHiker.com and VisitBritain. Contributor at HuffPost263,455 followers | Follow
National Geographic
Follow us for the latest on what's happening at the National Geographic Channel in the U.S. Questions and comments welcome!217,959 followers | Follow
TreeHugger.com
Links, Ideas and Conversation from the TreeHugger hive mind, the latest in modern green.168,458 followers | Follow
EcoInteractive
Eco Preservation Society: Inspiring Action, Empowering People,Connecting Communities & Transforming the Planet through Conservation, Reforestation & Education160,270 followers | Follow
Michael Q Todd
Author & speaker. Recovering Kiwi lawyer & fossil fuel user. Juggling addict. #lifegasm http://Xeeme.com/michaelqtodd66,985 followers | Follow
Replant Rainforests
Eco Preservation Society: We are Replanting the Rainforests! Our intention is to Turn the Tide on Global Deforestation52,886 followers | Follow
MotherNatureNetwork
Environmental news, local foods, innovations, and green inspiration52,754 followers | Follow
Earth News
Wildlife, Nature, Science & Environment news from around the world. 'No 1 environmental news Twitter' - The Guardian + BBC news Live Updates.36,115 followers | Follow
Leslie Blanchard
Intellectual is only a dirty word 2 those that can't spell it-Lesbian,w/ Multiple Sclerosis, peace activist,buddhist,truth teller-seeker,friend,I collect words☮35,432 followers | Follow
Scuba Diver Girls
We are girls who love and live for scuba diving. We care about and contribute to programs that sustain the earth especially the ocean organizations.34,062 followers | Follow
Eco Preservation Soc
Eco Preservation Society: Conservation, Reforestation and Education. We bring it together. Get conected, Get Involved, Make a difference.33,761 followers | Follow
The Ecologist
The Ecologist - setting the environmental agenda since 1970. Like us on facebook: http://www.facebook.com/TheEcologist33,302 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.30,542 followers | Follow
Rainforest Alliance
International nonprofit organization working to conserve biodiversity and ensure sustainable livelihoods25,615 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/cNFKN22,340 followers | Follow
greentweet
Chelsea Green Publishing's GreenTweet - Green Links, Tips, and Information. Check us out on @chelseagreen, too!18,520 followers | Follow
Polar Bear Trust
The Polar Bear Trust Supports Polar Bear Research, Education & Conservation.17,082 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.15,937 followers | Follow
Michelle Desilets
Founder of Orangutan Land Trust and Borneo Orangutan Survival UK. Saving orangutans for 18 years. Forests for Orangutans. Forever.13,363 followers | Follow
ZEROGreenhouse
Founder/Chair-Greenhouse Neutral Foundation, Author Zero Greenhouse Emissions http://bit.ly/17b0u6 also @Bob_Williamson11,342 followers | Follow
Sarah Wechsberg
Foodie. Entrepreneur. Sustainable Businesses. Advocate for Sustainable Food Systems, Local Farms, Eco/Green. #GreenMBA #Systemics #SocEnt @IdeaHive @triangleEW11,272 followers | Follow
dusty gedge
biodiversity professional, green roof campaigner/designer,public speaker, ecosystems services and green roof trainer - indigenous people + justice11,225 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
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.10,775 followers | Follow
GreenLivingIdeas.com
Official Twitter home for Green Living Ideas - part of Important Media9,820 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.9,211 followers | Follow
Greenfudge.org
Environmental News with a Sticky Twist: Environmental News, Environment, Nature, Green living, Oceans, Animals, Universe, Green Network, Weird, Wonderful...8,599 followers | Follow
Ecojustice Canada
Ecojustice is Canada's leading charity using the law to protect the environment8,424 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.7,185 followers | Follow
Ecological Internet
Biocentric micro-blog & best ecology news from largest eco-portal provider - committed to global ecology, rights, justice & equity - much more @EI_EcoNewsfeed6,910 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
Lynn Hasselberger
Mom, environmental advocate, truth seeker, health nut, recovering social media addict. Also tweet @myEARTH360 + @IC4ME #green #humanrights #waterwednesday6,175 followers | Follow
Ocean Plastics
Read the latest buzz about plastics in our oceans. Then log-in via Twitter and join the conversation!5,943 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.5,412 followers | Follow
Conservation News
Automated news updates about wildlife & conservation efforts worldwide. Powered by @daylife5,342 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
Bird-Rescue.org
International Bird Rescue has been saving aquatic birds since 1971. Its team has led oiled bird rescue efforts in over 200 oil spills in more than 12 countries.5,281 followers | Follow
Great Gorilla Run
Gorilla conservation, The Gorilla Organization, Great Gorilla Run and Gorilla Party5,218 followers | Follow
Lisa Vickers
Ecocentric activist. Global Campaigner @Avaaz. Usually tweeting about environmental, social and political change & my dog. Opinions are only mine.4,975 followers | Follow
Kathe Garbrick
animal welfare, environment, sustainability, social justice, locavore, slow food, gardening, lgbt, atheist; all things cat4,724 followers | Follow
Bush Warriors
Bush Warriors. A global voice for wildlife. Fighting to end poaching and illegal wildlife trade.4,041 followers | Follow
Turtle Trauma Centre
Kawartha Turtle Trauma Centre (KTTC) is a licensed rehabilitation centre and hospital for Ontario's turtles. It is a registered charity3,782 followers | Follow
Sandy Guerriere
Green Eco Communities - Sustainability of the Planet begins at home. ~ Become the change you want to see in the world.3,601 followers | Follow
Motivators Go Green
Looking to be environmentally conscious in your advertising? We specialize in eco-friendly items that can be customized with your logo.3,314 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!2,698 followers | Follow
Neil Richards
Ran marathons for @savetherhino & @orangutans. Now I care just as much about conservation, just don't run quite so far. New blog for 2011!2,456 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
Sabrina Aries
Be glad of life, because it gives you the chance to love and to work and to play and to look up at the stars. ~Henry Van Dyke1,975 followers | Follow
Palm Oil Industry
Palm oil as sustainable edible vegetable cooking oil and renewable energy source feedstocks1,871 followers | Follow
Antarctica Challenge
In partnership with the UNEP, this award-winning doc screened 25 times at COP15. The science behind melting Antarctica. Follow the next project: @APolarExplorer1,859 followers | Follow
Eric Laczi
My Interests Include: wildlife, nature, trees, coffee, beer, supporting local businesses, photography & I love Kentucky basketball. Go Big Blue! #BBN #WeAreUK1,852 followers | Follow
EcosystemsClimate
An alliance of NGO forest experts talking about the climate negotiations1,790 followers | Follow
Suzy Gneist
Single Mum/Graphic Designer spends her free time on Nature, Permaculture & Sustainability - http://exquisitemoments & http://theseedsofthought.wordpress.com1,771 followers | Follow
Tracey A. Smith
Powering our Cities and Protecting Our Oceans.Wave,Tidal,Hydro,Thermal,Offshore Wind1,760 followers | Follow
ateeq ahmad
witty content on mammals of all types. 29 orders and over 5K species. Will follow all wildlife conservationists.1,550 followers | Follow
Pacific Forest Trust
PFT is conserving America's working forests for all their public benefits: wood, water, wildlife and a well-balanced climate.1,519 followers | Follow
Renée Kirkpatrick
Passion for Animals,Nature,Wildlife, Conservation,Environment. Ecotourism, Photography,Vegan,Yoga,Green living. Doing my part to make this world a better place.1,366 followers | Follow
chris eaton
@GreenpeaceUSA Social Media Strategist. I like social media, social movements, diversity, ecology, equality, signals, noise, & insurrection. tweets are nobody's1,355 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
Ban Shark Finning
Saving sharks' lives one tweet at a time. (AIM: banfinning)1,108 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!1,060 followers | Follow
Lone DroscherNielsen
Project Manager at Borneo Orangutan Survival Nyaru Menteng Project1,057 followers | Follow
Valldir Assunção
928 followers | Follow
sheryl bottner
vegan animal rights activist wildlife conservationist nerd child of the South910 followers | Follow
Planting Empowerment
Forestry investments that generate financial, social and environmental returns. Tweeting about #forestry #agroforestry #impinv #socent807 followers | Follow
Steve and Julie
Volunteer turtle trackers searching for sea turtle nests in SW Florida759 followers | Follow
Primarily Primates
Primate sanctuary in San Antonio for monkeys, apes, lemurs and more -- committed to high standards, lifetime respect and care.738 followers | Follow
Maclean's Enviro
Maclean's content on everything to do with the Environment and Science686 followers | Follow
julie Lyons
Themed on the English country garden our natural, handmade soap, soy candles and Rose range skin are palm oil free. naturally different.646 followers | Follow
oceanactions
Alerts of ways to take action to protect our oceans, from 65+ social action platforms. Powered by @SocialActions Photo by Brajeshwar http://is.gd/5458609 followers | Follow
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Musician, artist, writer, poet. Vegan and earth-friendly. Progressive and secular.416 followers | Follow
Patrick Wylie
Post-modern forester interested in all things forest: industry, global enviro, climate and REDD246 followers | Follow
Rhett Butler
This is a boring Twitter account. See @mongabay for something more interesting.149 followers | Follow
DarcyFlannegan
Love sci fi & fantasty film, tv & books. Keen supporter of Oxfam & Orangutans. Must do what we can to help102 followers | Follow
Swingsandy
38 followers | Follow
Andrea Telford
3 followers | Follow
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