Environment
National Geographic
Since 1888, we've traveled the Earth, sharing its amazing stories with new generations. Official Twitter account of National Geographic.1,865,679 followers | Follow
Science Channel
Thought-provoking updates, insider news and more from Science...show your #nerdtweet pride!501,301 followers | Follow
Science Friday
Sci/tech radio program on NPR; video, Twitter (@scifri, @sci_arts) and Facebook/scifri. Got ideas? Write and tweet us @scifri all week and during the show.211,974 followers | Follow
TreeHugger.com
Links, Ideas and Conversation from the TreeHugger hive mind, the latest in modern green.168,178 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.118,466 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.87,167 followers | Follow
Guardian Environment
Green news, comment & more, run by the environmentguardian.co.uk team, inc @james_randerson & @adamvaughan_uk & @dpcarrington85,594 followers | Follow
NYT Green Blog
Green: A Blog About Energy and the Environment from The New York Times63,135 followers | Follow
MotherNatureNetwork
Environmental news, local foods, innovations, and green inspiration52,667 followers | Follow
WWF Climate Savers
Finding workable, practical solutions to the problems posed by Climate Change and Global Warming.48,320 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.46,738 followers | Follow
We Can End Poverty
Official twitter account of the United Nations on the Millennium Development Goals (MDGs). We are the first generation that can end poverty. Get involved!38,070 followers | Follow
Andy Revkin
Pursuing ways to forge progress on finite planet on http://j.mp/dotEARTH and at Pace U. The rest? Family, friends, living, music: http://j.mp/unclewade35,179 followers | Follow
Kate Sheppard
Reporter at Mother Jones covering energy, environment, reproductive rights, etc. Contributor with Current's Countdown. Also like: running, bikes, books.29,003 followers | Follow
Greenversations
The official blog of the U.S. Environmental Protection Agency28,795 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 Future28,778 followers | Follow
Climate Progress
Blog dedicated to providing the progressive perspective on climate science, climate solutions, and climate politics.27,272 followers | Follow
YES! Magazine
Award-winning, solution-oriented journalism covering peace, justice and sustainability innovations in the US and beyond. Independent, nonprofit media.26,909 followers | Follow
Yale Environment 360
Opinion, Analysis and the Latest Environmental News - A Publication of the Yale School of Forestry & Environmental Studies.23,766 followers | Follow
Danielle Nierenberg
We highlight environmentally sustainable ways of alleviating hunger and poverty. Innovation to share? Visit: NourishingthePlanet.org (we follow back)22,345 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/cNFKN22,337 followers | Follow
Ducks Unlimited
Official Ducks Unlimited Twitter Feed - The Leader in Wetlands Conservation22,064 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.20,936 followers | Follow
NYTimes DotEarth
NYTimes.com/DotEarth is Andrew C. Revkin on Climate Change and Sustainable Living20,294 followers | Follow
Kevin Gulley
Kevin Gulley is the publisher of GreenCollarEconomy.com - dedicated to supporting the business of sustainability18,224 followers | Follow
EWG Toxics Team
We use the power of information to protect public health and the environment.17,396 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.16,820 followers | Follow
Climate Desk
A journalistic collaboration dedicated to exploring the impact—human, environmental, economic, political—of a changing climate.14,854 followers | Follow
NewUrbanism
News and blog entries from the Congress for the New Urbanism, plus urban observations from the CNU communications team.13,276 followers | Follow
Worldchanging
Hi. We are back. In November we will begin to blog and in the spring we will merge with the @openarchnetwork13,065 followers | Follow
Eco News Network
Eco News Network provides news, trends and commentary on ecological issues, challenges, products, processes, science and leisure.12,500 followers | Follow
David Quilty
Founder of thegoodhuman.com. Social activist, greenie, columnist, forkoverknifer,technerd. You'll find me outdoors.11,168 followers | Follow
quippd Environment
10,260 followers | Follow
High Country News
An independent news magazine for people who care about the West's environment and people, publishing online and in print media.7,613 followers | Follow
NRDC Switchboard
This is a feed of posts from NRDC's staff blog, Switchboard. Follow @NRDC on Twitter for more updates.6,732 followers | Follow
Franke James
Artist & author of Bothered By My Green Conscience | Who cares about the Forest? | Six Tools for Climate Change Art + more...6,572 followers | Follow
Michael Pata
Entrepreneur, Animal Enthusiast, Social Media, Sustainability, Wildlife, Pets, Environment, Aquaculture, Fun6,306 followers | Follow
Post Carbon Institu
Founded in 2003, Post Carbon Institute is leading the transition to a more resilient, equitable, and sustainable world.6,202 followers | Follow
John Avlon
Senior Columnist for Newsweek & The Daily Beast; Author of Wingnuts and Independent Nation, co-editor of Deadline Artists. CNN Contributor.5,729 followers | Follow
Green Cmmnty Schools
“If positive enviro change is going to occur it must begin with education of our children.” GREEN Community Schools is a joint vision of MGR Fndn & Jayni Chase.5,501 followers | Follow
I love me green
To Inspire, Build Awareness and Encourage Environmental Change!5,123 followers | Follow
John Gulley
Giving folks great info and helping them learn about Green Energy Opportunities.5,073 followers | Follow
Emily Gertz
Journalist. Co-author w/@PatrickDiJusto of @OReilly's Environmental Monitoring with Arduino. Bylines: @TPM, @OnEarthMag, @Ecomagination ... www.emilygertz.com4,940 followers | Follow
Green Meme
Latest environmental news headlines from news sources and organisations around the web (live feeds).4,721 followers | Follow
Captain Planet Fdn
We educate youth about being responsible stewards to the environment. The Power is Yours! We're on facebook at http://bit.ly/93yNoE4,484 followers | Follow
Science Progress
The online magazine where science, technology, and policy meet. [Administered by @SeanPool]3,978 followers | Follow
Eric Pooley
SVP for strategy and communications at Environmental Defense Fund, author of The Climate War3,485 followers | Follow
Fair Food Network
We're a non-profit organization that works to design a food system that upholds the fundamental right to healthy, fresh and sustainably-grown food.3,466 followers | Follow
EarthPolicyInstitute
Dedicated to planning a sustainable future as well as providing a roadmap of how to get from here to there.3,438 followers | Follow
TheGreeningofDetroit
We guide and inspire others to form a greener Detroit by planting, educational programs, environmental leadership, advocacy, and by building community capacity3,333 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.3,313 followers | Follow
CAP Energy Policy
Energy & environmental policy from the Center for American Progress.3,008 followers | Follow
Dennis Dimick
#journalism #environment #photojournalism; @natgeomag Member: @sejorg @AAASMember @NPPA @flickr @500px; Faculty @MPW61 http://www.mophotoworkshop.org/2,697 followers | Follow
EnviroSupportCenter
The Environmental Support Center helps grassroots groups nationwide that work on climate, water and other environmental justice issues.2,482 followers | Follow
NewsOnGreen
News about the environment, pollution and green living. For lower volume, follow @newsongreen2 (same content, less tweets)2,383 followers | Follow
Bill Chameides
Dr. Bill Chameides, dean of Duke's Nicholas School of the Environment, blogs about science, sustainability, and the environment. (Tweeted by Erica Rowell)2,360 followers | Follow
Blogging Green
News and views from those who are blogging green around the world. Be green and see green here!2,196 followers | Follow
Eric Laczi
My Interests Include: wildlife, nature, trees, coffee, beer, supporting local businesses, photography & I love Kentucky basketball. Go Big Blue! #BBN #WeAreUK1,855 followers | Follow
Sierra Club
Working to restore and protect the Great Lakes! Find news and fun facts about Great Lakes issues and concerns.1,611 followers | Follow
GuardianValues
Latest news, blogs and comment from the Guardian's Sustainable Development team1,525 followers | Follow
Go Green EC
We reduce home energy waste in order to lower energy bills, increase comfort, and improve indoor air quality.1,386 followers | Follow
Michigan LCV
Michigan LCV is the political voice for protecting and conserving Michigan's natural resources and environment.1,138 followers | Follow
NCLICoalition
The No Child Left Inside Coalition was created in 2006 to find new ways to encourage kids to experience nature and incorporate EE in federal legislation.1,117 followers | Follow
Planting Empowerment
Forestry investments that generate financial, social and environmental returns. Tweeting about #forestry #agroforestry #impinv #socent809 followers | Follow
Tremaine L. Phillips
Renewable energy enthusiast and MSU Spartan working to promote a robust clean energy economy here in the great state of Michigan.652 followers | Follow
George Powell
Sustainable agriculture, agroforestry & non-timber forest resources consultant, blogger, Environmental Farm Plan Advisor, BC Agroforestry Initiative429 followers | Follow
TheSecondLeaf.com
Our commitment is to provide the largest selection of eco-friendly office/school supplies and technology in one location that makes going green simple.422 followers | Follow
Janine Oberstadt
foodprint is a project management & coaching group that assists the foodservice industry in operating more sustainably.297 followers | Follow
GoGreenism
All Your News on Going Green - Recycling, Responsible Consumption, Renewable Materials266 followers | Follow
United 2 Heal
We are a student-run humanitarian aid organization at the University of Michigan.65 followers | Follow
Ian of Great Lakes
Inform, educate, empower; take compassionate and considerate action. It’s what I seek to do as a student of the world.40 followers | Follow
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green environment liberal progressive music artists activists women arts children climate sustainable activism eco indigenous socialjustice humanrights
