Econews

Nature News&Comment

The latest science news and opinion from @NatureMagazine. Winner Best Twitter, Online Media Awards 2011, and Shorty Award for science, 2012.
360,760 followers |

TreeHugger.com

Links, Ideas and Conversation from the TreeHugger hive mind, the latest in modern green.
169,488 followers |

EcoInteractive

Eco Preservation Society: Inspiring Action, Empowering People,Connecting Communities & Transforming the Planet through Conservation, Reforestation & Education
160,781 followers |

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 @julkosch
95,466 followers |

National Wildlife

National Wildlife Federation works to inspire Americans to protect wildlife for our children's future. Staff updating: @starfocus @rarewildlifeguy @ksuzj
89,422 followers |

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.
87,804 followers |

Grist

Environmental journalism at its best. A beacon in the smog, if you will. Tweets by Grist's social media producer, Hanna Welch.
76,638 followers |

Climate Reality

Reality. It's not an opinion.
72,757 followers |

Michael Q Todd

Author & speaker. Recovering Kiwi lawyer & fossil fuel user. Juggling addict. #lifegasm http://Xeeme.com/michaelqtodd
66,976 followers |

inhabitat

good design will save the world!
64,343 followers |

NRDC

The Earth's Best Defense
56,426 followers |

Greenpeace USA

Saving the planet for 40 years. @meenazahra & @chr15_eat0n here, Tweeting for a green & peaceful future.
56,118 followers |

Randy Ferrell

VP of Sales at Care2, social media, cause marketing, environment, sustainability, human rights, animal welfare, charity, social responsibility
53,405 followers |

Replant Rainforests

Eco Preservation Society: We are Replanting the Rainforests! Our intention is to Turn the Tide on Global Deforestation
52,932 followers |

UNEP

The official twitter page of the United Nations Environment Programme (UNEP)
49,760 followers |

Green Energy News

Your source for green energy news and eco-friendly products | Green Marketing & Advertising | Sustainable brands & technology- Offering HD video production!
46,907 followers |

UNESCO

Official Twitter of the United Nations Educational, Scientific and Cultural Organization (UNESCO)
46,599 followers |

Earth911.com

The how, where and why of zero waste.
43,936 followers |

Seventh Generation

Seventh Generation is committed to being the most trusted brand of household and personal-care products for your living home.
41,681 followers |

Bill McKibben

Author, Educator, Environmentalist and Founder of 350.org
38,683 followers |

Sierra Magazine

Environmental news, lifestyle tips, and free-ranging opinion from the editors of Sierra magazine. Our mission: Explore, enjoy, and protect the planet.
38,052 followers |

Joe Nyangon

#Cleantech, #sustainability & thought #leadership whiplash. Explorer of new ideas #TED fellow. Columbia grad. Author. Panache for innovation & optimism unhinged
36,998 followers |

Andy Revkin

Pursuing progress on a finite planet on http://j.mp/dotEARTH and at Pace U. The rest? Family, friends, living, music: http://j.mp/unclewade
35,451 followers |

Eco Preservation Soc

Eco Preservation Society: Conservation, Reforestation and Education. We bring it together. Get conected, Get Involved, Make a difference.
33,736 followers |

Environment Agency

It's our job to look after your #environment and make it a better place.
31,621 followers |

EcoInteractiveEnergy

Eco Interactive envisions a future of individual energy independence. The coming revolution will make available cheap and sustainable energy for every home.
30,682 followers |

Kate Sheppard

Reporter at Mother Jones covering energy, environment, reproductive rights, etc. Contributor with Current's Countdown. Also like: running, bikes, books.
29,180 followers |

Greenversations

The official blog of the U.S. Environmental Protection Agency
29,059 followers |

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 Future
28,965 followers |

Hugh Byrne

Sustainability, social media, this and that for GreenBiz.com
28,553 followers |

Michael Swart

Enjoying my children, life and work.
27,733 followers |

Climate Progress

Blog dedicated to providing the progressive perspective on climate science, climate solutions, and climate politics.
27,522 followers |

buzzflash

progressive, bold, 100% independent, journalism and advocacy, tenth anniversary online
27,345 followers |

YES! Magazine

Award-winning, solution-oriented journalism covering peace, justice and sustainability innovations in the US and beyond. Independent, nonprofit media.
27,072 followers |

Green For You

Go Green!
26,572 followers |

Charmaine

Organic spa owner, chemical-free natural beauty blogger, safe cosmetic activist, vegetarian. Glam obsessed! peppermintspa.com mintandberry.com
26,276 followers |

Envirowire

tweeting the latest news in environmental politics - a @greenpeaceusa project
26,239 followers |

Pickens Plan

Official account of the Pickens Plan. America is closer to energy independence today because of your actions, but we can’t stop now. Also follow @boonepickens.
25,832 followers |

Mud Baron

2012 #food & 2011 #green shortyawards winner 4 all things #schoolgarden. Lexicon Project ranter. Muir Ranch teacher+dahlia rustler. Banish'er of asphalt 4 kids.
25,034 followers |

Repower America

Paid for by the Climate Protection Action Fund
24,662 followers |

EDF

Environmental Defense Fund - We work directly with businesses, government and communities to create lasting solutions to the most serious environmental problems
23,770 followers |

RayBeckerman

Law, social justice, nature, human & animal rights, the arts, ecology. Progressive. I try to lend my voice to the voiceless. http://is.gd/cNFKN
22,401 followers |

Marnie Glickman

Activist, mom, former co-chair Green Party of the US, worked as managing director of Green Party of California
21,411 followers |

Greentech Media Inc.

Your source for news, research and analysis in the greentech business-to-business market. Visit our website and GTMResearch.com for more information.
21,058 followers |

David Roberts

Seattleite transplanted from Tennessee; now blogging for Grist about energy politics. Climate hawk, deficit dove.
20,636 followers |

J McIntire-Strasburg

Blogging a Greener World since 2003. The J is Jeff...
19,344 followers |

UN Climate Change 09

United Nations Climate Change Conference 2009 in Copenhagen (COP15), brought to you by the Ministry of Foreign Affairs of Denmark
18,656 followers |

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 |

Urban Gardens

Unlimited Thinking for Limited Spaces: Freshest Innovative and Eco-friendly designs, trends, ideas for the stylish Urban Garden
17,862 followers |

Causecast

Employee engagement via workplace giving/volunteering/disaster response/CSR. #CausecastForNonprofits @CausecastNPO
17,610 followers |

IUCN

IUCN is the world’s oldest and largest global environmental network - a democratic membership union with more than 1,000 government and NGO member organizations
16,044 followers |

The Energy Collectiv

The world's best thinkers on energy and climate issues. Register for newsletter, webinar access and ebooks. http://ow.ly/4Rr1m
15,924 followers |

Tim Hurst

Writer, editor, & social media wrangler. I like my tweets with energy, environment, politics, music & mountains. http://ecopolitology.org
15,421 followers |

Tom Savage

Social entrepreneur, simplifier... currently founder of 3Desk
15,284 followers |

Climate Desk

A journalistic collaboration dedicated to exploring the impact—human, environmental, economic, political—of a changing climate.
14,941 followers |

bcliving

The voice of bcliving, exploring the lifestyles and interests of Metro Vancouver and the province of British Columbia.
14,326 followers |

Green Celebrity News

Love good news? Small talk about famous humanitarians, charity causes, pet friendly celebs, green celebrities, ecofriendly gossip, Hollywood lifestyle reviews.
14,316 followers |

CarbonPig

Find Green Reviews and Eco Products on CarbonPig.com
13,840 followers |

RAN

Rainforest Action Network protects forests, communities & climate through non-violent direct action, organizing & education. Tweets by @melgleason & @mikeg2001
13,435 followers |

Derek Markham

Generally green, sprinkled with randomness & slathered with peanut butter. Writer for TreeHugger.com and Discovery. Good man. Skilled shoveler. WordPress lover.
13,400 followers |

Michelle Desilets

Founder of Orangutan Land Trust and Borneo Orangutan Survival UK. Saving orangutans for 18 years. Forests for Orangutans. Forever.
13,398 followers |

GreenEconomyNet

GEN, Green Economy Network provides news and information on the emerging green economy and associated green jobs
13,311 followers |

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 |

Worldchanging

Hi. We are back. In November we will begin to blog and in the spring we will merge with the @openarchnetwork
13,092 followers |

Peter Kobel

Writer, author, advocate for environmental, economic and social justice.
12,878 followers |

TriplePundit.com

Business, Better. The Triple Bottom Line
12,679 followers |

Adam L Shake

Owner of Neanderthal Productions. Social Media independent contractor, Writer, lover of mountains, hiking, nature, photography.
12,627 followers |

Ecosaveology

auto posts by facebook.com/Ecosaveology and SaveBees
12,352 followers |

ABC Environment

A compendium of all the environment news and issues from ABC Australia. This is an official @ABCaustralia account.
12,193 followers |

Katie Fehrenbacher

Greentech Editor, Senior Writer & Features Editor, GigaOM
11,986 followers |

Jaymi Heimbuch

Green Technology Editor and writer @TreeHugger. Environmentalist and photography enthusiast.
11,885 followers |

Kerry Fitzgibbon

New Zealander in Australia loving running, wine and chocolate with a dream to use G+ and Social Media to spread messages far and wide
11,819 followers |

Current Green

11,618 followers |

Megan Hill

I'm a freelance writer, nonprofit consultant and certified grant writer. I hope you'll contact me so I can help you help others!
11,597 followers |

ZEROGreenhouse

Founder/Chair-Greenhouse Neutral Foundation, Author Zero Greenhouse Emissions http://bit.ly/17b0u6 also @Bob_Williamson
11,332 followers |

Sarah Wechsberg

Foodie. Entrepreneur. Sustainable Businesses. Advocate for Sustainable Food Systems, Local Farms, Eco/Green. #GreenMBA #Systemics #SocEnt @IdeaHive @triangleEW
11,321 followers |

David Collier

Tilles focuses on sustainability, social responsiblity and the culture of giving back. David Collier founded and leads Tilles.
11,297 followers |

David Quilty

Founder of thegoodhuman.com. Social activist, greenie, writer, social media addict, forkoverknifer. You'll find me outdoors trying to avoid looking at my phone.
11,201 followers |

COP16

16th Conference of the Parties to the United Nations Framework Convention on Climate Change and 6th Session of the Meeting of the Parties to the Kyoto Protocol.
10,938 followers |

The EVcast Hosts

We are the hosts of the EVcast, Podcast on Electric Cars and other Electric Vehicles. Join us on iTunes or at EVcast.com!
10,828 followers |

Todd Woody

Environment Editor, Forbes Magazine. @forbesgreen. Tweeting about the environment, green tech and, occasionally, surfing.
10,808 followers |

greenprofs

Green Business Professionals Sharing information, ideas & insights
10,518 followers |

GreenLivingIdeas.com

Official Twitter home for Green Living Ideas - part of Important Media
9,814 followers |

Gil Friend

Strategic sustainability thought leader, consultant, & coach CEO Natural Logic Inc, author Truth About Green Business, blogger: http://blogs.natlogic.com/friend
9,388 followers |

SF Environment

San Francisco's environment department: Our Home. Our City. Our Planet.
9,045 followers |

Michele Simon JD MPH

I am a public health lawyer, writer, and advocate for food justice. My book, Appetite for Profit, exposes food industry marketing and lobbying.
9,035 followers |

Sandra Cravinda

Enjoying every moment of this...
9,007 followers |

GreenLiving

The editors of GreenLivingOnline.com bring you the latest trends and happenings in sustainability.
8,710 followers |

Bryan Walsh

senior editor for TIME International, & enviro blogger. RTs are not automatically approvals. Usually context helps.
8,688 followers |

PostConsumers

Using humor and irony, Postconsumers.com is building a national brand without profit to help move society beyond addictive consumerism.
8,556 followers |

Christopher Mims

Sci/tech journalist who can't shut up about the environment. Appearances in SciAm, Wired, FastCo, GOOD, Slate, Grist, PopSci, Nature, Technology Review.
7,971 followers |

Concerned Scientists

The Union of Concerned Scientists is the leading science-based nonprofit working for a healthy environment & safer world. I'm Katy, I handle social media at UCS
7,850 followers |

L.A. Times Green

News about environmentally friendly living from @latimes. See @LATenvironment for more green news.
7,287 followers |

Ecochickie

Starre Vartan runs eco-chick.com & authored The Eco Chick Guide to Life. A problogger and eco expert, she's been featured in the NYTimes, Elle & Whole Living.
7,239 followers |

TreeHugger.com RSS

Headlines as they happen from TreeHugger.com
7,195 followers |

E-Advocate Network

The E-Advocate Network is a new media project dedicated to those who are changing the world.
7,168 followers |

John Peter Thompson

Ask me your questions - Sustainability, ecosystems invasive species,natural philosophy, history, politics & current events explained
7,054 followers |

Ariel Schwartz

Senior Editor at Fast Company's @FastCoExist. Ethonomics reporter.
6,968 followers |

Alternative Consumer

The green lifestyle blog.
6,967 followers |

Tara

Author of Biofriendly Blog and freelance online marketer/writer. I'm interested in environmental/green issues, my kids, family, enjoying life & animal welfare.
6,963 followers |

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.
6,958 followers |

Siel Ju

Writer in SoCal
6,865 followers |

ScottEdwardAnderson

Founder TheGreenSkeptic & CleantechAllianceMid-Atlantic. Poet, chef & FOXBiz/WSJ.com pundit. Global cleantech marketing director @ Ernst&Young. Opinions mine.
6,584 followers |

Don Carli

Digital Strategy, Media, Marketing, Advertising, Sustainability, CSR, Green, Design, Print, SoLoMo, Publishing, InfoViz, Energy, Innovation, Diversity Inclusion
6,513 followers |

GreenMuze

A funky, non-corporate green news & design website with an office on Salt Spring Island.
6,204 followers |

Project GreenBag

Organic not synthetic. Reusable not single use. Ban the plastic bag. Project GreenBag makes it simple.
6,192 followers |

Appropedia.org

Sharing knowledge for rich, sustainable lives. Want to share your knowledge? Talk to us! (Tweets mostly by Chris)
6,111 followers |

Earth UnSummit 2012

Unofficial account about upcoming Earth Summit plus 20. Focus on grassroots efforts for #peace, #ecology & #climate and #development goals.
6,094 followers |

Greenertomorrow

Eco-site about green solutions, renewable energy and sustainable technologies
6,061 followers |

Energy/Climate News

The latest roundup of news and information about the low carbon economy, energy, the environment and the carbon business.
5,855 followers |

Brad Johnson

Campaign Manager for Forecast the Facts (@ForecastFacts). Former ThinkProgress Green Editor at the Center for American Progress. Opinions are mine alone.
5,740 followers |

GreenLoop360

Writing about world issues, affecting us all. Environmental issues, and world events in an unbiased way unlike mainstream media.
5,701 followers |

Sustainable Business

Sustainable Business is a like a 'three-legged stool': people, planet, and profit.
5,678 followers |

votesolar

Bringing solar to the mainstream - and helping you do it too.
5,511 followers |

RainforestSOS

Working with governments, business, NGOs and individuals to increase global recognition of the contribution of tropical deforestation to climate change
5,313 followers |

Hylke Muntinga

Fusion between technological singularity and social singularity is posited as the best compromise for sustainable alternative future. Move now and join us!
5,292 followers |

BlueLivingIdeas.com

Blue Living Ideas is the ultimate resource for info and news on Earth's most precious resource: Water. Visit our sister site @GreenLivingIdea as well
5,046 followers |

ClimateCentral

An independent, non-profit journalism and research organization dedicated to helping mainstream Americans understand how climate change connects to them.
5,038 followers |

Kate Galbraith

Energy & environment reporter for the Texas Tribune
5,006 followers |

Emily Gertz

Journalist. Co-author w/@PatrickDiJusto of @OReilly's Environmental Monitoring with Arduino. Bylines: @TPM, @OnEarthMag, @Ecomagination ... www.emilygertz.com
4,952 followers |

LCV

The League of Conservation Voters (LCV) works to turn environmental values into national priorities. (Also follow @LCVPolicy & @GiveGreen2012.)
4,892 followers |

ENN News

Latest Environmental Headlines
4,780 followers |

Green Meme

Latest environmental news headlines from news sources and organisations around the web (live feeds).
4,720 followers |

Ecological Society

The Ecological Society of America is a nonprofit organization founded in 1915. Check back for EcoTone blog posts, ESA updates, podcasts, and more!
4,663 followers |

GreenTalk Radio

GreenTalk Radio is a podcast that helps listeners in their efforts to lead more eco-friendly lifestyles.
4,638 followers |

SF Water Power Sewer

San Francisco Public Utilities Commission - Your awesome water, wastewater and municipal power agency!
4,575 followers |

Robin Brittain

Architectural-Building Construction:Environmental/Eco-Vernacular/Indigenous-Heritage. Research, Technophile. Odd Rants. All things Hemp, Ankylosing Spondylitis
4,349 followers |

Alan Nogee

Clean energy consulting. Former Union of Concerned Scientists Clean Energy Program Director. Tweeting on renewable energy, coal, nuclear, climate.
4,263 followers |

Curt Sutorius

Tweeting about green energy, tech and gadgets. Do you see that follow button there? I'd tap that if I was you. :)
4,235 followers |

Matt Weiser - Sacbee

I cover water & environment news for the Sacramento Bee. Follow Sacramento-San Joaquin Delta issues here. Email me: mweiser (at) sacbee.com
4,092 followers |

Chris Tackett

When I'm not working as Social Media Editor for @TreeHugger, I enjoy bicycling, taking photographs, reading and learning to keep my garden alive.
3,769 followers |

Sandy Guerriere

Green Eco Communities - Sustainability of the Planet begins at home. ~ Become the change you want to see in the world.
3,607 followers |

CampusEcology

National Wildlife Federation's CampusEcology program promotes climate leadership and sustainability on campus with resources, events, publications, & examples.
3,498 followers |

Michael Brune

I have two kids, a lovely wife, and am the Executive Director of the Sierra Club. Check out my new book at www.comingcleanbook.org.
3,497 followers |

Eric Pooley

SVP for strategy and communications at Environmental Defense Fund, author of The Climate War
3,482 followers |

One24 USA

Watch the 4 Videos on the website. If you like what you see, place yourself on the waiting list! Retire in 24 months with $100,000 per month or MORE!
3,320 followers |

NRDC Action Fund

3,302 followers |

Deborah Merriam

Sustainability, interiors, slow design, craft, science, antiques, allergies, parenting, family history & bicycles. Hashtag abuser. #CuriosityFTW
3,270 followers |

Climate Solutions

www.facebook.com/climatesolutions
3,250 followers |

Michael Liebreich

CEO, Bloomberg New Energy Finance. Sustainable Energy For All. Visiting Prof, Imperial College. Entrepreneur. Analyst. Olympic skier. All views personal.
3,242 followers |

Piper

Spreading sustainability and coexistence globally.
3,193 followers |

AEnews

We're here to find and share the latest clean energy news... every single day. How to save the environment with green technology.
3,092 followers |

Conservation Letters

Fast, global and policy-relevant, Conservation Letters is an online-only scientific journal publishing research with significant implications for conservation
2,960 followers |

Smart Grid News 360°

Be the change – create a green economy by following smart grid news ranging from technology, financing and deals to trends and newsmakers.
2,860 followers |

Jonathan Brown

Architect, AIA, digital designer, urban retrofitter, community builder, green advocate, bibliophile, gamer, geek, modernist, tiki owner & dry martini drinker
2,821 followers |

West Coast Green

West Coast Green is an event unlike any other. It is the world's leading conference dedicated to green innovation for the built environment.
2,806 followers |

Sarah Goodyear

I'm a writer. I contribute to @AtlanticCities and @Grist. And other things.
2,756 followers |

Julian

Cleantech start-ups attorney, former policy wonk @amprog and @energy, tweeting about Chinese political economy, energy, environment,innovation, sustainability.
2,665 followers |

EnviroSupportCenter

The Environmental Support Center helps grassroots groups nationwide that work on climate, water and other environmental justice issues.
2,485 followers |

ACEEE

The American Council for an Energy-Efficient Economy (ACEEE) promotes economic prosperity, energy security, and environmental protection.
2,483 followers |

Dean Smith

Husband & Dad with 3 great kids, teaching them to ski, bike, fish & hunt. I work in public relations, social media & communications at NEWSTAGE media in Denver.
2,451 followers |

ClimateDiplomacyNews

Be the change – create a green economy by supporting the UNFCCC and following breaking independent news about COP 17, COP 18 and beyond.
2,434 followers |

Bay Localize

We catalyze the emergence of a regional, self-reliant economy that strengthens all Bay Area communities.
2,366 followers |

Terri Hansen

Environmental journalist: Indian Country Today & Freelance. Member: Society of Environmental Journos, Assn of Health Care Journos, Native American Journos Assn.
2,303 followers |

GeotechWorld

THE resource for Geotechnical & Environmental Careers
2,237 followers |

EDF's CA Offices

EDF_CA works on leading-edge environmental markets and solutions, with a focus in the West. Tweets brought to you by@lorisinsley & @jenwitsf
2,192 followers |

WindTurbines.net

Dedicated to bringing together the world's Wind Turbine community - Wind turbine manufacturers, developers, investors, educators, consultants, enthusiasts...
2,154 followers |

Zachary Alexander

Hydrogen Convergence Architect at ebTDesign Forum
2,092 followers |

Save The Bay (SF)

Save The Bay is the largest regional organization working to protect, restore and celebrate San Francisco Bay.
1,954 followers |

Causecast Nonprofits

NPOs join at no-cost to be included in @Causecast's workplace giving, volunteering & disaster response solution. Get free online tools!
1,930 followers |

SFSurfrider

Breaking news and event updates from the San Francisco Surfrider Foundation
1,817 followers |

Tom Kneen

Waste to Power specialists. Solar and Environmental Technology fanatics with a South West mentality.
1,809 followers |

Ken Caldeira

A scientist researching issues related to climate, carbon, and energy. Need more than 140? kcaldeira@carnegie.stanford.edu
1,760 followers |

Imagine H2O

The leading ecosystem for #water #entrepreneurship & innovation
1,758 followers |

Laura Spanjian

Sustainability Director, Mayor Annise Parker's Office, City of Houston
1,736 followers |

Jennifer Grayson

Freelance eco-journalist and @HuffingtonPost green advice columnist (#ecoetiquette). Former opera singer, future PCT thru-hiker and full-time nerd mom.
1,716 followers |

Climate_Politix

Journalism professor and political junkie who cares a lot about climate change and other environmental issues.
1,623 followers |

Stephanie A. Rogers

Writing about the environment, arts & culture for EcoSalon, WebUrbanist & more. Aspiring author. I tweet about equality, sustainability and creativity.
1,603 followers |

michael kanellos

Energy. Materials. Food. Garbage.
1,574 followers |

Erin H. May

editor/writer, pro-human/planet, anti-cilantro
1,544 followers |

Climate Times

Tracking the issues: energy, wind, solar, climate change, global warming, green business, pollution, and more...
1,543 followers |

teamSUSTAINABLE

Touring across America to discover the roots and future of SUSTAINABILITY.
1,540 followers |

Susan Emmer

Marketing & PR consultant, entrepreneur, blogger, networker, start-up enthusiast. Founder SiliconBeachMarketing.com; because technology only takes you so far!
1,539 followers |

Daniel J. Weiss

I am Senior Fellow & Director of Climate Strategy at the Center for American Progress Action Fund.
1,526 followers |

Apollo Alliance

Apollo Alliance is working to catalyze a clean energy revolution that will put millions of Americans back to work.
1,500 followers |

Bob Sipchen

Communications Director for the Sierra Club, SIERRA Magazine editor-in-chief, Pulitzer Prize winning journalist, author, adjunct professor at Occidental College
1,438 followers |

RadhikaNaikDeshpande

Science writer and communicator, Former research scientist, Open-minded thinker, Spiritually evolving human.
1,426 followers |

Kevin Dulin

My name is Kevin Dulin and I'm a Student at the University of St. Andrews studying #Sustainable Development and Geography. I like #Apple and @Coldplay
1,406 followers |

Madeleine Maguire

20-something gal living, working, loving and learning in beautiful San Francisco. Communications and mktg professional by day. A bon vivant on a budget 24/7.
1,400 followers |

Suzanne Shelton

An advertising agency where sustainable brands gain a market advantage.
1,384 followers |

Sea Change Radio

Sea Change Radio - covering the shift to sustainability. Broadcast by over 50 radio stations in the U.S.
1,372 followers |

chris eaton

@GreenpeaceUSA Social Media Strategist. I like social media, social movements, diversity, ecology, equality, signals, noise, & insurrection. tweets are nobody's
1,361 followers |

CLCV

California League of Conservation Voters - since 1972!
1,278 followers |

Evan Kopelson

Personal branding and social media enthusiast. Head of marketing for IRSMaster.com a new online coaching platform for people who need IRS tax resolution.
1,243 followers |

Gregory Wendt, CFP

Wealth Manager, Green Economy & Sustainability Catalyst, Speaker http://www.linkedin.com/in/gregorywendt, GreenBusinessNetworking.org & Greeneconomy.org
1,238 followers |

Climate Choice

We try to bring simple and practical ideas & tips to inspire and help you live a greener life!
1,140 followers |

World Bird Sanctuary

Saving endangered bird species & their habitats. Managed by Catherine and Billie.
1,069 followers |

sarahbackhouse

Host, Speaker and Founder of cleantech video platform, Future360.tv
1,053 followers |

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 |

Michelle Venetucci-H

A Seattle-to-San Francisco transplant explores seasonal food and agriculture in the Bay Area. Also gluten free with Celiac. I have a blog and I work for @CUESA.
973 followers |

Carter Lavin

Solar marketer, community builder, promoter of progressive companies and causes. Currently based in the San Francisco Bay Area
969 followers |

Levi Novey

Dad, Husband, & Environmental Journalist. Communications Manager for The Corps Network. Write for the Huffington Post & others. Former expatriate in Peru.
957 followers |

beth conover

social entrepreneur and environmental consultant
924 followers |

Build It Green

We are a membership supported non-profit organization whose mission is to promote healthy, energy- and resource-efficient homes in California.
921 followers |

sheryl bottner

vegan animal rights activist wildlife conservationist nerd child of the South
917 followers |

Rebecca Tarbotton

Executive Director of Rainforest Action Network- working to protect forests, communities and climate. Love kayaking + good whiskey...And I'm Canadian.
916 followers |

Camino Inn & Suites

Discount Hotel In Mountain View. Book Online or Call Today & Save... An ideal Silicon Valley hotel http://caminoinn.com
836 followers |

Policy Integrity

Using economics and law to protect the environment, public health, and consumers. (Edna Ishayik is our resident tweeter.)
804 followers |

ClimateWorks

ClimateWorks supports public policies that prevent dangerous climate change and promote global prosperity.
754 followers |

Darren Moore

Co-Host of Alter Eco Tv Show on Discovery's Planet Green, Creator & advisor of Ecovations, Humorous Sustainability Advocate, Athlete, World Traveller and Papa
748 followers |

MC O'Connor

Journalist. Outlets: @SmartPlanet, @OutsideMagazine, @EV_Update. Beats: energy, transport, outdoor rec, design, business, sensors. Member, SEJ.
693 followers |

CA Against Waste

Conserving Resources | Preventing Pollution | Protecting the Environment
684 followers |

Shiso Social

Jenn Breckenridge / Online Community Organizer @RAN / #nptech basics blogger at shisosocial.com / making Earth a more fun place to live / #green
678 followers |

RE-AMP

Midwest network of nonprofits and foundations for clean, efficient, modern, innovative energy to reduce global warming pollution 80% by 2050.
672 followers |

Maureen O'Connor

blog publisher, green guru, slave to the internet
659 followers |

Joe Magee

Biz dev guy, making something out of nothing. I love point breaks, steep inclines, and IPAs.
607 followers |

Green Zebra

Love SF & Green hence we publish the Green Zebra guide. Like geeky and odd things too. Wouldn’t be on Twitter if we didn’t. Would u?
574 followers |

James Snider

Scientist & environmentalist. Posts on conservation issues (incl. arctic, freshwater, climate change), spatial analysis/geomatics, biking & the world around us.
556 followers |

CleanPowerSF

CleanPowerSF will grant all San Franciscans access to greener energy, increased consumer protections, and the ability to choose their energy service supplier.
508 followers |

Green News Report

Independent green news, politics, analysis & snarky comment on the radio and online w/ Brad Friedman & Desi Doyen
508 followers |

NRDC in the Gulf

This is @NRDC's account for our efforts in the Gulf region.
479 followers |

Santonu Goswami, PhD

Environment, Energy; Climate Change; Sustainability; GHG; Ecosystem Monitoring; Remote Sensing; Forest Carbon; Proposal Development; Training & Education.
471 followers |

Aysia Wright

Ecopreneur & activist at large. Creator of Goodebox, Partner at ChartreusePR.
418 followers |

Heidi Genrich

looking for pragmatic ways to work for economic and social justice. opinions my own!
408 followers |

lizbanse

Liz specializes in communications on environmental and public health issues at Resource Media.
324 followers |

Ben Kroetz

@greenpeaceusa Senior Online Strategist. I like all things online and social change. I also like Ohio State football. http://www.greenpeaceusa.org
304 followers |

The ICCT

The International Council on Clean Transportation provides technical research and analysis to environmental policy makers in the transportation sector.
294 followers |

Earthbeat Radio

Earthbeat Radio is an hour-long broadcast dedicated to the world's top environmental crises.
291 followers |

Matthew Lewis

Communications Director @ ClimateWorks Foundation, global Network of climate/energy experts. The comments/links/errata posted here reflect my personal views.
287 followers |

RecycleMax

Comprehensive waste recycling and disposal services for every environment including commercial, industrial and institutional facilities across North America.
277 followers |

Pincas Jawetz

Sustainable Development Media Think Tank
210 followers |

Margaret Swink

Professional communicator for Ploughshares Fund, amateur tracker of things food, forests, MI, CA and int'l relations. All opinions my own.
205 followers |

Home Green Home

We are an eco-friendly house cleaning cooperative serving the city of San Francisco.
203 followers |

Ellisa Feinstein

MBA (sustainable management); interested in corporate sustainability, water tech & issues, cleantech, renewable energy, social responsibility, SF, music, etc.
166 followers |

Earthstock

:: Crashing Capitol Hill for climate change action :: Click above to go to Earthstock
166 followers |

Melanie Nelson

Local Radish is a transplanted Canadian living in the foodie world of Scottsdale while still trying to frantically be a responsible and sustainable consumer.
142 followers |

Mitch Tobin

Editor of EcoWest.org, Consultant at CEA, Author of Endangered
88 followers |

Greg Mohrman

Its time to get serious about saving our planet. I'm not one of those tree-hugging hippies, but i believe simple economics is the answer!
52 followers |

Jenny Coyle

Communications Specialist, Energy Foundation
19 followers |

Energy Foundation

The Energy Foundation's mission is to promote the transition to a sustainable energy future by advancing energy efficiency and renewable energy.
5 followers |

Curated by Andrew Kornblatt
Submitted by RayBeckerman

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