Environment General
Greenpeace
We're an independent global campaigning organisation acting to change attitudes and behavior, to protect the environment and promote peace.492,514 followers | Follow
NYTimes Science
Science, Environment, Space and Cosmos News From NYTimes.com/Science318,957 followers | Follow
Andrew Svitek
I'm a lawyer specializing in environmental and land use law.185,389 followers | Follow
EcoInteractive
Eco Preservation Society: Inspiring Action, Empowering People,Connecting Communities & Transforming the Planet through Conservation, Reforestation & Education161,115 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.119,854 followers | Follow
HuffPost Green
Latest environment & energy news, green-IY projects, animal stories & more (contact: huffpostgreen@huffingtonpost.com)97,474 followers | Follow
National Wildlife
National Wildlife Federation works to inspire Americans to protect wildlife for our children's future. Staff updating: @starfocus @rarewildlifeguy @ksuzj89,863 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.88,080 followers | Follow
Guardian Environment
Green news, comment & more, run by the environmentguardian.co.uk team, inc @james_randerson & @adamvaughan_uk & @dpcarrington87,051 followers | Follow
Viking Services
Everything related to alternative energy, solar, wind and geothermal81,204 followers | Follow
Michael O'Loughlin
We produce the Pacific Northwest's largest sustainable lifestyle festival - Better Living Show. We do Green Events #2012BLS78,720 followers | Follow
NYT Green Blog
Green: A Blog About Energy and the Environment from The New York Times63,980 followers | Follow
Green Updates
News about green products and trends from sciencenewsblog.com.45,490 followers | Follow
Sierra Club
Since 1892, the Sierra Club has been working to protect communities, wild places, and the planet itself.39,224 followers | Follow
Sierra Magazine
Environmental news, lifestyle tips, and free-ranging opinion from the editors of Sierra magazine. Our mission: Explore, enjoy, and protect the planet.38,114 followers | Follow
Earth Institute
Mobilizing the sciences, education and public policy to achieve a sustainable earth36,897 followers | Follow
Eco Preservation Soc
Eco Preservation Society: Conservation, Reforestation and Education. We bring it together. Get conected, Get Involved, Make a difference.33,732 followers | Follow
Lisa P. Jackson, EPA
Administrator of the U.S. Environmental Protection Agency32,657 followers | Follow
Tim@Best Green Blogs
Tweets, retweets & follows all things #green #eco #organic #sustainable. Homesteader in TN. Friend of Dorothy. DM me your green & enviro. stuff.31,055 followers | Follow
World Resources Inst
Environment and human needs - climate change, global warming, ecosystems, green business, sustainable markets, good governance, sustainable development29,963 followers | Follow
Kate Sheppard
Reporter at Mother Jones covering energy, environment, reproductive rights, etc. Contributor with Current's Countdown. Also like: running, bikes, books.29,246 followers | Follow
Yale Environment 360
Opinion, Analysis and the Latest Environmental News - A Publication of the Yale School of Forestry & Environmental Studies.24,077 followers | Follow
Digg Environment
Got a thing for nature or green tech? Get the best environment stories from Digg delivered to your Twitter stream.23,754 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/cNFKN22,454 followers | Follow
US EPA News
Automated news releases from the US Environmental Protection Agency. Note: Twitterfeed sometimes breaks, so pls let @levyj413 know.20,901 followers | Follow
NYTimes DotEarth
NYTimes.com/DotEarth is Andrew C. Revkin on Climate Change and Sustainable Living20,563 followers | Follow
Dog's Best Friend
my tweets: #green #maritime #dogs #ronpaul #music #marketing #advertising #jobs #fashion #diet #health #cancer awareness / RT my tweets for a #shout20,516 followers | Follow
Friends of the Earth
Friends of the Earth U.S. defends the environment and champions a healthy and just world.18,707 followers | Follow
Renewable EnergyNews
Renewable Energy News & Information - add your business FREE to our new directory: http://www.renewable-energy-news.co.uk/business-directory/18,351 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.org17,986 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!17,886 followers | Follow
Mark Copeland
Master Scuba Diver Trainer, Sailor & Traveler passionate about Health, Wellness and the Environment. Love The Green Movement. Lets Keep It Green!16,951 followers | Follow
Storm Cunningham
CEO: ReCitizen (crowd tech for cities) -- Speaker -- Author: The Restoration Economy (2002), reWealth (2008), ReCivilizing (2013) http://StormCunningham.com16,615 followers | Follow
Simon Hinton
Entrepreneur, Eco-Developer, International Healer, Reiki Master, NLP Master Practitioner, Quantum Power Visionary.16,106 followers | Follow
Clean Cheap Energy
Clean, Cheap, Secure and Plentiful Energy: finding best practices, people & business can save money & energy through energy efficiency & technology14,491 followers | Follow
Rio+20 Conference
Official Twitter of Rio+20 UN Conference on Sustainable Development to be held 20-22 June 2012, in Rio de Janeiro. Like us on Facebook-facebook.com/UNRioPlus2014,334 followers | Follow
Joel Makower
Founder of GreenBiz.com; bestselling author; speaker, entrepreneur in green business, green marketing, clean tech, blah blah blah13,650 followers | Follow
Green Building News
The official Green Building News tweet. Follow sister tweets @CorrectionsNews @SchoolBuildNews @HCONews12,964 followers | Follow
Peter Kobel
Writer, author, advocate for environmental, economic and social justice.12,901 followers | Follow
Marc Gunther
writer and speaker on business and sustainability, contributing editor at FORTUNE, senior writer at GreenBiz.com12,591 followers | Follow
Stephanie Hicks
Freelance travel blogger, marathon runner, lawyer, photographer, mom of 4, & Type1 diabetic Tweets on environment, fitness/health, travel & solar power9,937 followers | Follow
Lee Stewart
@leestewart1 Sustainability Lead at Fujitsu, Change2 Co-Founder, Climate Project Presenter, Strong interest in Sustainability, GreenIT and a Kiwi living in OZ.9,624 followers | Follow
Robert Volpe
Growth strategy consultant helping companies create opportunities-software, technology, renewables. Fan of innovation, perfect strategy execution.8,523 followers | Follow
CleanTechnica
News and commentary on solar energy, wind energy, wave energy, energy efficiency, & more. For more commentary, check out the site director's acct @zshahan37,979 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.7,833 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.7,662 followers | Follow
Worldwatch Institute
Global environmental research organization focused on building a low-carbon energy system, creating a healthy future for agriculture, and developing a green eco7,474 followers | Follow
Environment America
Environment America is a federation of citizen-funded organizations that advocate for clean air, clean water, and open spaces in 29 states and Washington, DC.6,968 followers | Follow
Frederic Page
Interests: sustainability, CSR, environment, SMBs, Technology. Currently living in Barcelona, Spain. Check also my blog in Spanish www.negociosostenible.es6,727 followers | Follow
Lynn Hasselberger
Mom, environmental advocate, truth seeker, health nut, recovering social media addict. Also tweet @myEARTH360 + @IC4ME #green #humanrights #waterwednesday6,191 followers | Follow
Greenertomorrow
Eco-site about green solutions, renewable energy and sustainable technologies6,071 followers | Follow
SmartVehicle
We track the best news in smarter vehicles and transportation: Electric Cars, Hybrid Cars, Bicycles, Biodiesel, Ethanol, Hydrogen, Fuel Cells, and Efficiency.5,750 followers | Follow
Denali National Park
Home of Mount McKinley, the tallest peak in North America, Denali was the first national park established to conserve wildlife in 1917.5,704 followers | Follow
EcoDiscoveries
We make green products, support green projects, and want to know what you're doing for the planet and share it !5,465 followers | Follow
Environment Oregon
State-based, citizen-funded, and member-powered group working for a cleaner, greener, and healthier Oregon5,316 followers | Follow
California EPA
The California Environmental Protection Agency is charged with developing, implementing and enforcing the state's environmental protection laws.5,246 followers | Follow
EPAregion9
News, highlights, eco-tips, and other goings-on from the U.S. EPA Pacific Southwest region. CA, AZ, NV, HI, Pacific Islands.5,063 followers | Follow
Green Meme
Latest environmental news headlines from news sources and organisations around the web (live feeds).4,717 followers | Follow
Earth Summit 2012
Stakeholder Forum's official feed for the Rio+20 Earth Summit. Get the latest updates and inside information in the run-up to 2012.4,552 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/93yNoE4,482 followers | Follow
Dave Meyer
Sr. Industry EHS & Sustainability Practitioner, Advocating Organizational & Supply Chain Innovation & Systems Thinking (Views Expressed Are My Own)4,257 followers | Follow
Environmental Law
Follow us for Energy and Environmental Law updates, alerts, articles, and analysis by leading lawyers and law firms. A @JDSupra legal news feed.4,229 followers | Follow
Andrea Learned
Write/advise on #sustainable business/leadership and #CSR through a women's market lens (co-authored Don't Think Pink). Love movement-scale change!4,067 followers | Follow
Energy Secrets
Doing what I can to help save the planet. Energy Energized, Entrepreneur, a Leadership Coach, a Baseball Crazy Person, a Water Baby who is Landlocked!4,012 followers | Follow
Tom Barrett
Passionate about water and the environment - author, speaker, trainer, & coach.3,982 followers | Follow
Eric Pooley
SVP for strategy and communications at Environmental Defense Fund, author of The Climate War3,484 followers | Follow
EV Perspective
Online Community and Resource Center for Electric Vehicle Professionals and Enthusiasts. EV News, Jobs, Events, Videos, Announcements, and More.3,364 followers | Follow
Clean Energy
The latest and greatest on renewable energy policy and politics.3,197 followers | Follow
Michael Levi
Senior Fellow for Energy and the Environment at the Council on Foreign Relations. All views here (as elsewhere) are my own.3,030 followers | Follow
Mid Western Solar
We are a company dedicated to serving the energy needs without environmental destruction.2,866 followers | Follow
ENVIRONMENTAL LAW
The Environmental Law Institute (ELI) makes law work for people, places, and the planet. Founded 1969.2,820 followers | Follow
Oregon Env. Council
Oregon Environmental Council's mission is to advance innovative, collaborative solutions to Oregon's environmental challenges for today and future generations.2,781 followers | Follow
Green Economy News
Be the change – create a green economy by following major news about biofuels, carbon markets, green IT, hydro power, smart grid, solar, wind power & water.2,680 followers | Follow
1000 Friends Oregon
Working with Oregonians to build livable urban & rural communities, protect family farms & forests, conserve natural & scenic areas. Join @ friends.org/support2,672 followers | Follow
Green Meetings
Writer/consult/speaker on #green #meetings #sustainable business/leadership and #CSR.2,494 followers | Follow
Rainforest News
Rainforest News is an independent observatory on natural forests. Our aim is to protect world natural forests.2,482 followers | Follow
Javier Cejudo
Entrepreneur | Project Manager | Engineer | Green Projects | eCommerce | Social Media | WatSan | Current Affairs | Cofounder @Xilacurve2,181 followers | Follow
GZ Conservation
Conservation of the Built Environment, Architecture, Landscape, Communities. Urbanism. Sustainability. Tweets by @_jamiebaker Blog at http://bit.ly/Id4aiw2,099 followers | Follow
Kelly Senser
Nature-loving mom with passion for wildlife gardening, photography and outdoor play. Program manager at National Wildlife Federation.2,063 followers | Follow
Kevin & Valerie
15 Years of Giving a Damn. Cofounders of EnviroMedia Social Marketing in 1997, focused on health & environment. Built both Leanwashing & Greenwashing Index.2,015 followers | Follow
Eco-Schools USA
National Wildlife Federation program for greening America's K-12 schools1,948 followers | Follow
Oregon 150
The year-long celebration of Oregon's 150th year of statehood has officially ended. For questions about this account please contact @sasquatcha.1,940 followers | Follow
EarthShare Oregon
We connect Oregonians to the environmental causes they care about. Tweeted by Meghan H. & Aurora O.1,929 followers | Follow
Jonathan Foley
Global environmental scientist. Ecologist. Climatologist. Systems thinker. Director, Institute on the Environment (IonE), Univ. of Minnesota. All Tweets my own.1,894 followers | Follow
Oregonian Enviro
1,883 followers | Follow
Population Institute
PI seeks to promote universal access to family planning in order to achieve a world population in balance with a healthy global environment and resource base.1,808 followers | Follow
Dewita Soeharjono
Founder, bloggr, trends + innovations observr. Mix email, social marketing & #sustainability. Workin' 4 change. Create econ, social change & positive impact.1,797 followers | Follow
sharishapiro
Publishing pre-consumer, non-recycled content on green building law1,742 followers | Follow
Energy Trust of OR
We’re here to help Oregonians save energy and money. Have a question? Just ask! Looking for energy saving tips, news and promotions? Follow us here.1,708 followers | Follow
Alex-Sander-Susanna
Communications team of Wetlands International Headquarters1,627 followers | Follow
Fresh, Pure Water
Focused on an environmentally-friendly world where drinking water is always pure and safe.1,623 followers | Follow
Natural Living Expo
Central Iowa’s Premier Event for all things eco, natural and sustainable! Visit the website to become a vendor, exhibitor or for more details! 3/31 - 4/1, 2012.1,604 followers | Follow
Carol Aguero
Reward yourself to a better lifestyle! Helping others Live Green, Make Green™1,538 followers | Follow
Derek LaCroix
Wants to contribute to an environmentally sustainable, socially just, and spiritually fulfilling human presence on this earth.1,457 followers | Follow
ELIZAH LEIGH
Green Living Journalist for NationalGeographic.com able to leap tall eco-challenges in a single bound.1,432 followers | Follow
Michael Grossman
Communications and advocacy firm that builds majorities by creating images and defining the debate for those working for a more sustainable future.1,415 followers | Follow
Stoel Rives LLP
U.S. business law firm, with a full suite of corporate and litigation solutions for domestic and international clients.1,367 followers | Follow
Enviro Law & Policy
We do Environmental Law and Policy Research, with a special focus on Sustainability.We blog at cielap.org/communityforum1,318 followers | Follow
Charlie McElwee
Climate Change Policy Aficionado & China Environmental and Energy Law Scribbler1,307 followers | Follow
Institute of Nanotec
The IoN works closely with governments, universities, researchers, companies and the general public to educate and inform on all aspects of nanotechnology.1,253 followers | Follow
Jeff the Dolphin
Just a common bottlenose dolphin doin' common dolphin stuff: swimming, playing, eating. I enjoy music, dry humor and supporting ocean & wildlife conservation.1,170 followers | Follow
Conservation Voters
OLCV passes laws that protect our natural legacy, elects pro-environment candidates & holds elected officials accountable.1,165 followers | Follow
COVSustainableDevel
City of Vancouver's Sustainable Development Program. Making moves toward carbon neutral buildings in 2020.1,122 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
Hank Lacey
I write about science and the environment as a freelance journalist based on Colorado's Front Range.1,014 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.1,001 followers | Follow
Yale Enviro Center
The Yale Center for Environmental Law & Policy seeks to advance fresh thinking and analytically rigorous approaches to environmental decisionmaking.996 followers | Follow
CleantechLawPartners
Cleantech Law Partners is a specialty law firm catering to the unique legal and policy needs of renewable energy and cleantech companies.943 followers | Follow
Brownfields 2013
The National Brownfields Conference is the largest event in the nation focused on environmental revitalization and economic redevelopment.933 followers | Follow
NWF International
Climate Change, Deforestation & Agriculture Project. Learn how commodity products effect our planet's tropical rainforests!849 followers | Follow
Melissa Van De W.
Marketing & Communications Manager for UC Santa Barbara College of Engineering. Social media and web marketing enthusiast.789 followers | Follow
Matthew Preusch
Former environmental reporter at The Oregonian, current environmental law student at Lewis & Clark.733 followers | Follow
Trinity Consultants
Trinity Consultants is an environmental consulting company that specializes in industrial air quality issues.701 followers | Follow
Filipa Gouveia
Conservation Biologist, Environmental consultant. Concerned about everyday actions' environmental impact601 followers | Follow
ChristineNWF
I'm the communications director for National Wildlife Federation, political junkie and wildlife lover.599 followers | Follow
Ctr.CleanAirPolicy
Est. in 1985, Center for Clean Air Policy (CCAP) works with US and international governments to secure climate change agreements that help reduce GHG pollution.587 followers | Follow
Zach Hyder
Social marketing and advertising professional focused on environment and public health behavior change campaigns565 followers | Follow
Ifri: Energie
European Governance and the Geopolitics of Energy - Ifri is the main French independent research and debate institution dedicated to international affairs.494 followers | Follow
Greenbridge Intl
Grant funded turnkey ISO 14001 training and implementation solutions for manufacturing/industry supply chain competiveness & the green economy477 followers | Follow
Bracewell Giuliani
Powered by the attorneys and public policy advisors of Bracewell and Giuliani, Energy Legal Blog provides updates and analysis on cutting-edge energy issues.439 followers | Follow
NR&E Magazine
NR&E Magazine is the flagship publication of the American Bar Association's Section of Environment, Energy, & Resources. Your source for #envlaw.437 followers | Follow
Molly McCluskey
Freelance journalist. Currently living in Athens (not Georgia.) Views are my own.434 followers | Follow
Patricia Houlihan
High energy enviro lawyer and realtor/mom of twins/triathlete(?)in Vancouver BC Canada431 followers | Follow
Karen Ann Teeters
Time to live simply and step lightly. Green choices to live a balanced life. Social media/blog fan, living in the woods. Peace.405 followers | Follow
The Katoomba Group
The international network promoting & improving capacity related to Payments for Ecosystem Services324 followers | Follow
Gail Tverberg
I write about limits we are reaching--particularly energy and oil--and how they affect the financial system and our lives.323 followers | Follow
Tom Petersen
Environmental consultant to hospitals and industry. Chess player and teacher. LinkedIn - http://www.linkedin.com/myprofile?trk=hb_side_pro318 followers | Follow
Sive Paget & Riesel
Environmental law news & updates from Sive Paget & Riesel, a leading environmental law firm in New York City.299 followers | Follow
OHEnvironmental Law
Ohio Environmental Law Center- attorneys for OEC, legal advocacy, legal analysis and training Green lawyers. You can also follow @OhioEnviro289 followers | Follow
Bill Dornbos
Connecticut Director at Environment Northeast working on sustainable energy solutions.258 followers | Follow
Siren Hakimi
Sustainable Development & Planning Professional in Greater Seattle Area, USGBC LEED ND Committee member, founding member of CSCF.248 followers | Follow
Lori Sinsley
CA media director @ EDF / tree hugger / foodie / political, news and live music junkie / yogi / cyclist / California native / working to make a difference.236 followers | Follow
Jeremy R. Roberts
Biologist, conservation filmmaker, photographer bringing world-class communication to conservation scientists and organizations.193 followers | Follow
Todd Janzen
Attorney: agriculture, environment, real estate and land use. Litigator and deal maker. Ag blogging, speaking, when I can: www.janzenlaw.blogspot.com186 followers | Follow
Katherine Blue
Advising companies on sustainability strategies @ KPMG. Views expressed are personal and not representative of KPMG.123 followers | Follow
Mitchell Burack
Lawyer in Philadelphia area experienced in environmental regulatory,enforcement, brownfields, renewable energy and OSHA.60 followers | Follow
Claudia Rast
Shareholder at Butzel Long, a professional corporation Former Chair (2008-2009) of American Bar Association's Section of Environment, Energy, and Resources39 followers | Follow
Ken Rosenbaum
About forest governance worldwide: illegal logging, corruption, conflicts, laws38 followers | Follow
Thomas Redick
Mr. Redick represents soybean growers and tech clients on regulatory approval, liability avoidance and sustainability standards21 followers | Follow
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