Green
Social Citizen
Emily, over @CaseFoundation -- inviting you to explore how the next generation is creating change through ideas, digital tools and people power with me.335,068 followers | Follow
TreeHugger.com
Links, Ideas and Conversation from the TreeHugger hive mind, the latest in modern green.169,477 followers | Follow
EcoInteractive
Eco Preservation Society: Inspiring Action, Empowering People,Connecting Communities & Transforming the Planet through Conservation, Reforestation & Education160,764 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 @julkosch95,451 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.87,796 followers | Follow
Guardian Environment
Green news, comment & more, run by the environmentguardian.co.uk team, inc @james_randerson & @adamvaughan_uk & @dpcarrington86,621 followers | Follow
NYT Green Blog
Green: A Blog About Energy and the Environment from The New York Times63,739 followers | Follow
Greenpeace USA
Saving the planet for 40 years. @meenazahra & @chr15_eat0n here, Tweeting for a green & peaceful future.56,111 followers | Follow
WWF Climate Savers
Finding workable, practical solutions to the problems posed by Climate Change and Global Warming.48,664 followers | Follow
Green Business World
Green, eco, sustainability, low carbon, energy business industry news updates - tweets to you instantly!47,220 followers | Follow
Earth Institute
Mobilizing the sciences, education and public policy to achieve a sustainable earth36,795 followers | Follow
Do the Green Thing
An inspiration feed of creative ideas to turn green living from something you ought to do to something that people want to do.35,855 followers | Follow
The Ecologist
The Ecologist - setting the environmental agenda since 1970. Like us on facebook: http://www.facebook.com/TheEcologist33,613 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.30,525 followers | Follow
Kate Sheppard
Reporter at Mother Jones covering energy, environment, reproductive rights, etc. Contributor with Current's Countdown. Also like: running, bikes, books.29,167 followers | Follow
Envirowire
tweeting the latest news in environmental politics - a @greenpeaceusa project26,239 followers | Follow
Digg Environment
Got a thing for nature or green tech? Get the best environment stories from Digg delivered to your Twitter stream.23,671 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.21,119 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.20,317 followers | Follow
J McIntire-Strasburg
Blogging a Greener World since 2003. The J is Jeff...19,344 followers | Follow
UN Climate Change 09
United Nations Climate Change Conference 2009 in Copenhagen (COP15), brought to you by the Ministry of Foreign Affairs of Denmark18,656 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!17,868 followers | Follow
EWG Toxics Team
We use the power of information to protect public health and the environment.17,491 followers | Follow
OneClimate
OneClimate.net is a new social networking space for sharing ideas and taking action on climate change.14,985 followers | Follow
Climate Desk
A journalistic collaboration dedicated to exploring the impact—human, environmental, economic, political—of a changing climate.14,941 followers | Follow
The Green Home
14,755 followers | Follow
Yvonne Jane Wright
Welcome to the world of Ecobears: characters, books, toys & games - to help raise awareness of sustainable natural fabrics & solar energy. Paws for the Planet14,251 followers | Follow
Energy Saving Trust
The Energy Saving Trust is a social enterprise with charitable status. We give communities and households impartial advice on energy saving.13,624 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!13,132 followers | Follow
Katie Fehrenbacher
Greentech Editor, Senior Writer & Features Editor, GigaOM11,986 followers | Follow
Current Green
11,618 followers | Follow
Events Calendar
Information about green & sustainable events, festivals fairs & expos. Green calendar of events. Follow on Facebook http://sn.im/ouk7810,622 followers | Follow
InsideClimate News
InsideClimate News is a non-profit, non-partisan news organization that covers clean energy, carbon energy, nuclear energy and environmental science.10,348 followers | Follow
AlexSteffen
I think, write and speak about how to live well and be a good ancestor... (pls note, I'm not able to answer all individual research queries or comments).9,615 followers | Follow
Max Gladwell
Max Gladwell is the story of SoLoMo and green living. See also @MomentFeed and @reedcontent9,357 followers | Follow
Chris Baskind
Founding editor of Lighter Footstep (now part of Mother Nature Network/MNN). Carfree advocate, coffee drinker, and sometimes geek.9,219 followers | Follow
Stop Climate Chaos
The Stop Climate Chaos Coalition is the largest UK coalition tackling climate change issues.8,077 followers | Follow
Climate Camp
Currently in a state of flux. We won't be holding a Climate Camp this year, but we will continue to keep you informed of grassroots environmental direct action.7,709 followers | Follow
AP Climate Pool
News, discussion and a behind-the-scenes look at climate change & environment issues from The Associated Press, the essential global news network7,582 followers | Follow
Carla Tonelli
I'm the former green business editor for Reuters.com and tweet about sustainability news -- and anything else that catches my eye.7,102 followers | Follow
Recycle Match
The first comprehensive enterprise solution for managing, minimizing, and monetizing material waste and recyclables. Tweets by @brookebf and @cfar6,978 followers | Follow
NRDC Switchboard
This is a feed of posts from NRDC's staff blog, Switchboard. Follow @NRDC on Twitter for more updates.6,852 followers | Follow
People & Planet
UK's largest student network campaigning on world poverty, human rights and the environment6,640 followers | Follow
kevinwestmusic
Kevin West is a throwback Singer-Songwriter / Guitar player out of Charleston SC who just relocated to Los Angeles.6,228 followers | Follow
CA State Parks Found
CSPF is the only statewide independent nonprofit organization dedicated to protecting, enhancing and advocating for California's magnificent state parks5,655 followers | Follow
Carbon Outreach
Traditional & Digital Marketing for Ethical Business | Our 200+ Page Facebook Guide http://amzn.to/vz3dSZ5,638 followers | Follow
RainforestSOS
Working with governments, business, NGOs and individuals to increase global recognition of the contribution of tropical deforestation to climate change5,313 followers | Follow
ClimateCentral
An independent, non-profit journalism and research organization dedicated to helping mainstream Americans understand how climate change connects to them.5,038 followers | Follow
Environmental Leader
Environmental Leader - Business coverage of energy & environmental news.4,872 followers | Follow
Climate Change Facts
Unbiased climate change facts with links to major organizations. Owned by @DrJohnEverett, tweets by @slelinhares4,812 followers | Follow
Tyndall Centre
Scientists, economists, engineers, who together are working to develop sustainable responses to climate change4,638 followers | Follow
Carrie Bancroft
greenREACH, a sustainable management consulting company, has closed its doors. You can connect with Carrie at @withinsight_llc.4,636 followers | Follow
ReGeneration.org
Join the ReGeneration: a global & dynamic movement committed to sustaining the world's natural environment. Powered by Dell and managed by @ToddatDell4,592 followers | Follow
Katharine Hayhoe
Not suspicious, just Canadian. Atmospheric scientist, climate communicator, poli sci professor and mom, married to @drandrewfarley. First in line for cloning.4,503 followers | Follow
Global Action Plan
The UKs leading behaviour change org. Helping businesses, communities&schools reduce their environmental impact with the only UN accredited programmes in the UK4,349 followers | Follow
Climate Activism
Climate Justice Action (CJA) - Reclaim Power! Pushing for Climate Justice! Here and elsewhere.3,661 followers | Follow
Claire Carlton
Connecting People and Planet to promote change. #eco #green #cleantech #climate #sustainable #socialmedia #greenbiz AND Work at @BYBObiz http://www.bybo.com.au3,581 followers | Follow
Lighter Footstep
Living Cheap Is the New Green! Lighter Footstep helps you live a healthier, greener, more affordable life.3,541 followers | Follow
Your Daily Thread
Your Daily Thread is a free daily email that helps you live green and do good. Eco-curious? Sign up.3,357 followers | Follow
Greennovate team
Marketers,engineers,designers and educators in China|Sustainability concepts for businesses and communities|Gecko Online and Made GREEN in China initiatives|3,247 followers | Follow
Maura McGovern
story teller. beta lover. mentor. work in vc. new york is on the radar. get excited about: social giving, photography, tech, tea, yoga, music, design, running3,022 followers | Follow
GreenMyParents
GreenMyParents is a national movement of youth (and parents) to: seed the green economy, earn over $100 at home and save the planet. #GMP2,827 followers | Follow
Smarter Living
Smarter Living is for people who are looking for easy, everyday actions they can do to protect our health, our homes, and our planet.2,758 followers | Follow
Barry Brook
Getting to grips with the brave new world of future climate and energy – notes from a Promethean environmentalist2,710 followers | Follow
Chris @ Green Abode
Green Ways to Save Money at Home - Green Energy & Energy Saving, and On the Move - Green Travel. Google+ http://gplus.to/greenabode2,385 followers | Follow
Plane Stupid
Plane Stupid is a direct action network. We want to see airport expansion plans scrapped and an end to short haul flights.2,282 followers | Follow
Climate Realists
The Realists Take On Climate Change...http://ClimateRealists.com/1,715 followers | Follow
Eco_Pirate
Working to improve the quality of human life while living within the carrying capacity of a supporting eco-system1,424 followers | Follow
Molly Peterson
Public radio reporter: Email mpeterson@kpcc.org about LA, kayaks, oceans, smog, climate change, toxic waste, enviro law, energy, pirates, funk music & baseball.1,132 followers | Follow
COP15 Webcast
Webcast from UN Climate Change Conference 2009 (COP15), brought to you by Ministry of Foreign Affairs of Denmark and UNFCCC.1,088 followers | Follow
ecopolitology
Tweeting about energy and environmental politics. This account is mostly our own content with an occasional retweet. For more curation see @ecopolitologist.1,051 followers | Follow
New Earth Deal
Council of Europe campaign for a climate change deal at Copenhagen781 followers | Follow
Charisse McAuliffe
Managing Director for the Institute for Entrepreneurship at Colorado State University674 followers | Follow
Danielle Davis
keeping the creative mojo going... http://danielledavisreadsandwrites.tumblr.com/671 followers | Follow
Jon Gelbard
I am a conservation scientist & communication specialist, working as a cross-program consultant for NRDC advancing sustainability of the livestock sector.414 followers | Follow
jessicaforres
Press officer at Oxfam America. Previously a senior media officer at World Resources Institute and reporter for WAMU-FM and Natural Resources News Service.397 followers | Follow
Paul Mackie
Director of communications at Mobility Lab, working to improve biking, walking, vanpool and other options in DC. Pop culture blogger at Pop Culture Lunch Box.190 followers | Follow
Curated by Andy Sternberg
People and Organizations tweeting about environmental crises and all things green
