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National Geographic
Since 1888, we've traveled the Earth, sharing its amazing stories with new generations. Official Twitter account of National Geographic.1,877,340 followers | Follow
Huffington Post
The Internet Newspaper - Curated by @kerstinshamberg, @lauralizhibbard, @socialmia, @deanpraetorius, @travelinganna1,839,160 followers | Follow
Reuters Top News
Reuters.com brings you the latest news from around the world, covering breaking news in business, politics, technology, and more.1,751,512 followers | Follow
The Washington Post
One of many ways The Washington Post gets social. @tjortenzi and @marksluckie are here to help navigate the news. Send your tips and tweets to @washingtonpost.1,001,036 followers | Follow
Smithsonian
We're not a museum. We're 19 of them! Plus 9 research centers & the National Zoo. Follow your favorites668,863 followers | Follow
Science Channel
Thought-provoking updates, insider news and more from Science...show your #nerdtweet pride!503,271 followers | Follow
NatGeoTraveler
Official account for National Geographic Traveler: Nobody knows this world better. Updates posted by @SeaFox4, @AndreaLeitch397,018 followers | Follow
Nature Rocks
The Nature Conservancy's Nature Rocks program aims to inspire and empower families to play and explore in nature for happier, healthier and smarter children.190,606 followers | Follow
Democracy Now!
Official Democracy Now! Twitter Account. An independent, global daily news hour. Follow us for daily news, events, and updates on Amy Goodman's speaking tour.168,430 followers | Follow
Earth Eats
Podcast, public radio program and blog from @wfiu. Tweets about local food, food safety, policy, sustainable agriculture, environmental news and recipes.136,146 followers | Follow
CNN Newsroom
Latest news and information updates from the anchors, reporters and producers of CNN Newsroom, 9 a.m. to 5 p.m. ET and weekends on CNN.121,584 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.118,692 followers | Follow
The Source Magazine
The Bible & Authority of Hip Hop music, culture and politics since 1988. More than a magazine...102,235 followers | Follow
HuffPost Green
Latest environment & energy news, green-IY projects, animal stories & more (contact: huffpostgreen@huffingtonpost.com)96,359 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 @julkosch95,084 followers | Follow
National Wildlife
National Wildlife Federation works to inspire Americans to protect wildlife for our children's future. Staff updating: @starfocus @rarewildlifeguy @ksuzj88,767 followers | Follow
Surfrider Foundation
Dedicated to the protection and enjoyment of oceans, waves and beaches through a powerful activist network60,001 followers | Follow
David Corn
DC editor of Mother Jones, MSNBC analyst & author of the new book, SHOWDOWN: The Inside Story of How Obama Fought Back Against Boehner, Cantor & the Tea Party58,980 followers | Follow
Greenpeace USA
Saving the planet for 40 years. @meenazahra & @chr15_eat0n here, Tweeting for a green & peaceful future.55,850 followers | Follow
Green Energy News
Your source for green energy news and eco-friendly products | Green Marketing & Advertising | Sustainable brands & technology- Offering HD video production!46,654 followers | Follow
Green Updates
News about green products and trends from sciencenewsblog.com.45,256 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.37,952 followers | Follow
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/unclewade35,246 followers | Follow
Greenversations
The official blog of the U.S. Environmental Protection Agency28,853 followers | Follow
Natureboy™
SunWarrior Co-Founder. Health Activist. Longevity Expert. Fitness Enthusiast. Empowering and inspiring others with the most cutting edge health information!28,624 followers | Follow
Climate Progress
Blog dedicated to providing the progressive perspective on climate science, climate solutions, and climate politics.27,313 followers | Follow
Envirowire
tweeting the latest news in environmental politics - a @greenpeaceusa project26,219 followers | Follow
Mother Earth News
The Original Guide to Living Wisely: Organic Gardening, Homesteading, Renewable Energy, Sustainable Food & Farming, DIY, Green Homes, Natural Health & More24,792 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/cNFKN22,344 followers | Follow
Yahoo! Green
The official account of Yahoo! Green. We’ll be tweeting about how you can improve your life and improve the world.22,012 followers | Follow
The Audubon Society
The original tweeters. People working together to protect birds, other wildlife and the natural resources that sustain us all, since 1905.19,415 followers | Follow
US EPA Research
Office of Research & Development (ORD) is the scientific research arm of the US EPA.18,903 followers | Follow
Examiner.com
Official tweets of Examiner.com, the insider source for local.18,527 followers | Follow
Greenopolis
Helping people make small, incremental eco-friendly changes in their lives.17,392 followers | Follow
Mac McClelland
Mother Jones human rights reporter. Strict-grammar lover. Burma-book-writer extraordinaire.16,719 followers | Follow
WomensRadio
WR Mission: To provide sustainable communication models to women and all people to speak-up and lead by example. Email support@women-corp.com to get started!14,999 followers | Follow
Earth Times Blogs
Green Blogs on The Earth Times; Eco Fashion, Opinion, Ecotourism, Green Gadgets13,807 followers | Follow
Green Festival
Gathering to celebrate sustainable ideas & solutions in our communities. NYC April 21-22 | CHI May 5-6 | DC Sept 29-30 | SF Nov 10-11 | LA Nov 17-1813,554 followers | Follow
NatGeo Green
Green living tips, and environment news, stories, and pictures from National Geographic.13,321 followers | Follow
Streetsblog Network
The national blog network for sustainable transport, smart growth and livable streets.12,786 followers | Follow
Jaymi Heimbuch
Green Technology Editor and writer @TreeHugger. Environmentalist and photography enthusiast.11,833 followers | Follow
Create The Good
Create The Good is the network to connect AARP members, friends and families with ways to make a difference.11,568 followers | Follow
myEARTH360.com
Eco ecommerce biz tweeting eco news & tips, eco action updates & occasional product offers. Founded by environmental advocate + concerned mom @LynnHasselbrgr.11,180 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.10,242 followers | Follow
Green Ratings
Greenopia is your local guide to green living, rating businesses, products and services in terms of how green they are.8,907 followers | Follow
Bryan Walsh
senior editor for TIME International, & enviro blogger. RTs are not automatically approvals. Usually context helps.8,646 followers | Follow
GreenIsTweet
Inventor of The 21st Century Dispensing Technology ending the use of Plastic Bottles containing laundry detergent, food condiments, gel products and many others7,684 followers | Follow
Fast Green News
Building community through sharing small talk about eco-friendly celebrities, eco home design, charity, pets, and green cars. Follow us and we will follow you.7,364 followers | Follow
Wildlife Action
National Wildlife Federation Action Fund, giving you the latest news and actions on speaking up for wildlife!7,281 followers | Follow
Girls Gone Green
GIRLS GONE GREEN ACTION is a fun, hip and inspiring website about girls who’ve taken the initiative to go green based on our book Girls Gone Green.7,154 followers | Follow
Graham Hill
TreeHugger, WeAreHappyToServeYou.com founder, Sitewerks Co-Founder, Discovery's Planet Green Exec and Talent.6,681 followers | Follow
Karen Mannion
6,412 followers | Follow
Greenertomorrow
Eco-site about green solutions, renewable energy and sustainable technologies6,058 followers | Follow
Global Exchange
Global Exchange is a membership-based international human rights organization dedicated to promoting social, economic and environmental justice around the world6,054 followers | Follow
Natural Solutions
The magazine all about simple solutions to keep you healthy, naturally.5,447 followers | Follow
Glenda Riddick
I'm a fan of solar lights. Easy to install, no cost for power, saves resources. Discount solar lights at http://eoutdoorsolarlights.com5,353 followers | Follow
Lauren McCullough
Editorial Supervisor, @breakingnews. Former @AP social media manager. Passions include baking, trashy TV and purses (lots of them!). Married to @Matt_Silverman.5,006 followers | Follow
Eric Carvin
The social media editor at @AP, helping 2,500 journalists with newsgathering and engagement adventures. I like to get lost hunting berries in the urban woods.4,911 followers | Follow
NickBaumann
Journalist for @MotherJones (and @TheEconomist). Red Sox fan. Eagle Scout. Beer pong aficionado. 202.630.2380 / nbaumann@motherjones.com / gchat: nickbaumann4,515 followers | Follow
NaturalHomeMagazine
Natural Home magazine is the authority on green building and eco-friendly home design.4,374 followers | Follow
Anthony Breznican
Film writer for Entertainment Weekly. Pie Maker. Dad. Cat fancier. Revenge plotter. Someday novelist.3,896 followers | Follow
SustainableFoodJobs
Connecting you with current job opportunities & educational resources in sustainable food!3,720 followers | Follow
Bike Commute News
A news, technology, and social media resource for bicycle commuters, advocates, and cycling enthusiasts around the globe. Editor @ohaijoe3,621 followers | Follow
Conscious Living TV
Conscious Living TV highlights the best in eco-fashion, health, green travel, organic vegetarian cuisine, spirituality and the yoga lifestyle.3,120 followers | Follow
Tim Murphy
Mother Jones reporter. Masshole in exile. Wannabe Texan. I Tumbl professionally.3,004 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
Monika Bauerlein
Co-Editor of Mother Jones + mother of 3 = espressochocoholic2,610 followers | Follow
Meaghan O'Neill
I wrangle bloggers at TreeHugger, Parentables, and Discovery. Press pitches via email, please.2,599 followers | Follow
CatlinArcticSurvey
CATLIN ARCTIC SURVEY: Investigating the issues behind a changing Arctic Ocean2,594 followers | Follow
Go Green Celebrities
Celebrities Going Green for a sustainable future! #celebs #greencelebrities #sustainable #green2,576 followers | Follow
MoJo Blue Marble
The Blue Marble is Mother Jones' environment, science, and health blog.2,537 followers | Follow
Katherine Butler
Environmental writer (Ecosalon, MNN), TV writer (Disney Channel, USA network), wannabe pianist and cat lady2,392 followers | Follow
Earth Island Journal
Quarterly journal dedicated to investigative journalism about environmental issues.2,283 followers | Follow
Earth & Industry
The Earth and Industry don't have to be competing interests...2,248 followers | Follow
Jerry Hart
* Founder&CEO Healthy Food in Schools.org * National Talk Show Host of Smart Green Travel: *Brother is the drummer of the “Grateful Dead”, Mickey Hart.2,095 followers | Follow
Ted Anthony
AP journalist: Words, images, thoughts, connections ... and, maybe, wisdom.2,053 followers | Follow
Lionel Lefebvre
Discover why it's healthier, more efficient and responsible to go green in your home. Melarita.toxinchecklist.com1,934 followers | Follow
Corbin Hiar
Journalist and lapsed Minnesotan. Previously worked at the Center for Public Integrity, HuffPost, and PBS MediaShift. Tip jar: corbin.hiar@gmail.com1,879 followers | Follow
Chip Giller
Founder of Grist; lifelong Red Sox fan; weirdly obsessive about media, grammar, politics, & env't/sustainability.I like to cook veggies.1,713 followers | Follow
Kiera Butler
Senior editor at Mother Jones, chicken raiser, mandolin tryer to player, eater of Lorna Doone cookies1,706 followers | Follow
Shaya Tayefe Mohajer
Los Angeles-based health reporter for The Associated Press filling in on night shifts in coming months. I endorse nothing. smohajer(at)ap.org1,675 followers | Follow
EcoMatters
EcoMatters = Why It Matters + What You Can Do About It. Warnings: may read in about 60 seconds, may change life.1,628 followers | Follow
Joe Webster
Director of Marketing @SmartBrief, advisor @Storyful, previously @AP, fan of the Nats, Jayhawks and Arsenal.1,623 followers | Follow
Michelle A.
DIY green living tips for eco and sustainable living. Gardening, Natural Beauty, Food Recipes, Yoga. Live simply, Live naturally, Get back to nature.1,532 followers | Follow
Green Jobs
Green Jobs available is a great online resource if your seeking a Green Job that is free to use!1,493 followers | Follow
Jen Quraishi
This hip hapa can't stoppa! Tweets on life in SF, repro rights, all things kawaii, freedom of religion, the TSA, with random snippets of wit/humor.1,460 followers | Follow
jimmie Flood
Love to live healthy and mak extra income at the same time. more information go to http://www.thedietforhealth.com1,441 followers | Follow
Global Inheritance
Global Inheritance is a 501c3 non-profit organization working to reinvent activism for today’s young generation.1,140 followers | Follow
elizabeth gettelman
Fixer for @MotherJones, recovering sports fanatic, policy nerd, twin wrangler.1,010 followers | Follow
Gawky and Gingerly
Definitely not tree huggers...probably more of plant be-frienders. We dig green food, green crafts, green products, green tweets and the color green.712 followers | Follow
Lisa Madry
Campus Field Dir for the Natl Wildlife Federation. Tweeting on climate news, clean energy, with some birding, music and other musings just for fun!620 followers | Follow
Green Right Now
Barbara Kessler edits GreenRightNow.com, a rambling publication about living a greener life (now!), saving resources, wildlife, energy and time.553 followers | Follow
Erin Dieterich
CSR- Employee Engagement Manager @NetSuite. Passionate about CSR & biz, pro-bono & cause marketing. Love travel, singing, cooking & reading. Tweets are my own518 followers | Follow
Arian Smedley
Freelance journalist based in Ohio. I spend my days looking for stories, caring for my son and fixing up my 100-year-old house. Formerly an editor for the AP.416 followers | Follow
Phil England
Freelance journalist writing for The Independent, New Internationalist, The Ecologist and The Wire. Co-founder, ResonanceFM.281 followers | Follow
Fancy Green
Our Motto: You don't have to live a beige little life to be green ~ You can be Fancy Green!262 followers | Follow
Sonja Sharp
Reporter/Producer @DNAinfo, covering breaking news, crime & Brooklyn. Send me your tips, your rumors, your huddled masses, &c. at sonja.sharp@dnainfo.com248 followers | Follow
PolyVision
Connect with eno by PolyVision users and stay up to date on education news with us on Twitter.217 followers | Follow
Nikki Gloudeman
136 followers | Follow
Rachael DeWitt
58 followers | Follow
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green environment liberal progressive music artists activists women arts children climate sustainable activism eco indigenous socialjustice humanrights
