Caringforlife
Fledgling Wine
A Twitter wine project that promotes literacy around the world.722,012 followers | Follow
EcoInteractive
Eco Preservation Society: Inspiring Action, Empowering People,Connecting Communities & Transforming the Planet through Conservation, Reforestation & Education161,011 followers | Follow
National Wildlife
National Wildlife Federation works to inspire Americans to protect wildlife for our children's future. Staff updating: @starfocus @rarewildlifeguy @ksuzj89,717 followers | Follow
Greenpeace USA
Saving the planet for 40 years. @meenazahra & @chr15_eat0n here, Tweeting for a green & peaceful future.56,254 followers | Follow
Eco Preservation Soc
Eco Preservation Society: Conservation, Reforestation and Education. We bring it together. Get conected, Get Involved, Make a difference.33,730 followers | Follow
World Resources Inst
Environment and human needs - climate change, global warming, ecosystems, green business, sustainable markets, good governance, sustainable development29,906 followers | Follow
Australia Zoo
Australia Zoo, Home of the Crocodile Hunter. We pack in stacks of wildlife action and conservation every day - it's as WILD as life gets!28,448 followers | Follow
Rainforest Alliance
International nonprofit organization working to conserve biodiversity and ensure sustainable livelihoods25,912 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/cNFKN22,441 followers | Follow
AnimaNaturalis
Organización Iberoamericana por la Defensa de Todos los Animales. Oficial22,436 followers | Follow
The Cure List
An ever growing resource of cutting-edge, alternative, and obscure healers, healing practices, and things related from around the world.21,853 followers | Follow
Vegan Mainstream
Marketing for VEGANS - A full service marketing firm for small to medium businesses that service the vegan community.21,027 followers | Follow
EarthIslandInstitute
Earth Island Institute grows environmental leadership to support the biological & cultural diversity that sustain the environment18,668 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.org17,977 followers | Follow
Socialize Your Cause
Have a cause? Socialize Your Cause exists to help educate nonprofit and charity orgs on how to leverage the power of the social web to further their cause.17,333 followers | Follow
Meatless Monday
#MeatlessMonday is a non-profit health initiative encouraging people around the world to go meatless one day a week for their health & the health of the planet!15,109 followers | Follow
Michelle Desilets
Founder of Orangutan Land Trust and Borneo Orangutan Survival UK. Saving orangutans for 18 years. Forests for Orangutans. Forever.13,416 followers | Follow
Columbus Zoo
12,378 followers | Follow
Edinburgh Zoo
Our mission is to inspire and excite our visitors with the wonder of living animals, and so to promote the conservation of threatened species and habitats12,133 followers | Follow
action4ifaw
International Animal Welfare organization, saving animals in crisis around the world.11,524 followers | Follow
CalAcademyofSciences
Explore an aquarium, planetarium, and natural history museum all under one living roof.11,399 followers | Follow
Orangutan Project
The Orangutan Project (TOP) is a not-for-profit organisation, supporting orangutan conservation, habitat protection and orphan orangutan care9,625 followers | Follow
Sanctuaries (NOAA)
Today’s National Marine Sanctuary System is a network of special places preserving and protecting our ocean and great lakes.9,127 followers | Follow
Woodland Park Zoo
Woodland Park Zoo: We inspire, naturally! Updates by communications team member Rebecca Whitham.8,888 followers | Follow
Farm Africa
Farm Africa works at a grassroots level with rural communities in eastern Africa, providing long term solutions to poverty.8,731 followers | Follow
Marcia Conduru
A pilgrim in search of the inner light. –– God is love, and all who live in love live in God, and God lives in them.~1 JOHN 4:16.8,549 followers | Follow
Born Free Foundation
Born Free - Keep wildlife in the wild! Tweets from our team - help us stop individual wild animal suffering & protect threatened species in the wild.7,168 followers | Follow
Rescue Ridge
Rescue Ridge is a 'last-chance' shelter in NJ. We find homes for animals that other shelters and people have given up on.6,981 followers | Follow
Ocean Champions
The only political voice for the ocean. We help elect pro-ocean candidates & work with them to drive great ocean policy. Tweets from Mike, Chris & the crew.6,624 followers | Follow
Allie at WHS
Our mission is to save lives and we've been doing it for over 130 years. We love our supporters & adore animals. Tweets by Allie.6,152 followers | Follow
Green Wish
Green Wish™ is a non-profit that helps local, green, organizations fund projects for their communities through donations at retailers, and online.5,851 followers | Follow
Gorilla Organization
International charity working to save the world’s remaining gorillas from extinction through community conservation, education, research and development5,398 followers | Follow
Great Gorilla Run
Gorilla conservation, The Gorilla Organization, Great Gorilla Run and Gorilla Party5,214 followers | Follow
IAR (Animal Rescue)
The aim of International Animal Rescue is to come to the aid of wild and domestic animals with hands-on rescue and rehabilitation.4,823 followers | Follow
Don Maiden
Photographer, from Warrenton, Va. in Fauquier County, Virginia. Obsessed with birds,birdwatching,nature&wildlife photos,action photography,sports!4,802 followers | Follow
Gano Gorila
Gano entered the city in grand style wrapped in ads.The children screamed and laughed.The men shook their heads in disbelief.Women adored the beast.Followsback.4,802 followers | Follow
davidhodgson
nourishing life, nurturing the emergence of a thrivable society4,582 followers | Follow
Mae Stevens
Columbia grad. Policy. Politics. Detroit Tigers fan. Future mover and/or possible shaker. Tweets my own.4,447 followers | Follow
sun moon stars rain
Poet/coyote living in the desert. Eat zen/micropoetry/music for breakfast. Drink a cup of coffee with you when I can. Find me in #haiku #senryu #tanka...4,389 followers | Follow
Fossey Gorilla Fund
Founded by Dian Fossey to save gorillas & habitat in Africa. Gorilla monitoring, anti-poaching, education, local health, clean water & community projects.4,141 followers | Follow
Friend a Gorilla
4,087 followers | Follow
New Zealand Birds
Birds and birding in New Zealand, the environment, and other ephemera. Zen birding.3,884 followers | Follow
Rescue Dogs
A website that helps rescue dogs who have been waiting months or even years to find a home. Love animals? Please support us!3,835 followers | Follow
dance4life
Every day thousands of young people become infected with HIV. Join us in our fight against HIV. Become part of the movement and create change!3,559 followers | Follow
EarthPolicyInstitute
Dedicated to planning a sustainable future as well as providing a roadmap of how to get from here to there.3,463 followers | Follow
MATCH® Vegan Meats
Better for you, better for everyone; MATCH® is a gourmet-quality vegan match for animal meat. Varieties include pork, sausage, beef, chicken and crab.3,147 followers | Follow
Pilots N Paws
Pilots N Paws pilots volunteer to fly animals from kill shelters to rescue groups nationally.3,058 followers | Follow
WorldofGood.com
Eco-friendly and fair trade news and conversation, information for and about our seller community, and company updates.3,049 followers | Follow
Animal Place
Animal Place rescues farmed animals, advocates on their behalf and educates the public.3,040 followers | Follow
LA Regional FoodBank
We are a non-profit organization that provides hunger relief in LA County2,995 followers | Follow
Willie HarcourtCooze
Cacao farmer and maker of fine chocolate from bean to bar, sourcing the best beans from around the world. Passionate about making great chocolate.2,845 followers | Follow
Animal Intel
The most intersting news about animals and our relationships with them. Pets, wildlife, farm animals, and more. By @JamesErik2,701 followers | Follow
UN-REDD Programme
The United Nations Collaborative Programme on Reducing Emissions from Deforestation and Forest Degradation in Developing Countries2,464 followers | Follow
Neil Richards
Ran marathons for @savetherhino & @orangutans. Now I care just as much about conservation, just don't run quite so far. New blog for 2011!2,456 followers | Follow
Amazon Rainforest
The Amazon rainforest, also known as Amazonia, is one of the world's greatest natural resources.2,248 followers | Follow
CenterForGreatApes
A non-profit sanctuary that rescues chimpanzees and orangutans.2,207 followers | Follow
ZooChat Forums
ZooChat Discussion Forums: news and forum posts from our discussion community for zoo & animal conservation enthusiasts1,900 followers | Follow
WorldCocoaFoundation
The WCF promotes a sustainable cocoa economy through economic & social development & environmental stewardship in cocoa-growing communities.1,797 followers | Follow
Gorilla Doctors
Gorilla Doctors provides wild mountain and Grauer's gorillas with life-saving medical care.1,359 followers | Follow
socialeco1
Passionate about the earth, I love gardening, wildflower photography, backpacking, and educating about keeping the earth healthy.1,343 followers | Follow
Paul Dolan Vineyards
Premium organic & biodynamic wines from Mendocino County, California1,213 followers | Follow
Brutus A. Brown Bear
I’m an Alaskan Brown Bear living at the Columbus Zoo and Aquarium. I love conservation, peanut butter, & bugging the heck out of my brother, Buckeye.1,206 followers | Follow
Alexandra Saunders
Impassioned Chocolatier, Businesswoman, and Sustainability Entrepreneur, deeply committed to helping companies collaborate to steward ecosystems & wildlife .1,197 followers | Follow
Save the Chimps
Mission: To provide & build support for permanent sanctuary for the lifelong care of chimps rescued from research laboratories, entertainment & the pet trade.1,195 followers | Follow
Orangutan COP
Centre for Orangutan Protection strives to defend wild orangutans in Borneo forests from human brutality.1,171 followers | Follow
Want A Cookie ® dog
Want A Cookie ® dog treats Pawsitively the best dog cookies on the planet! wheat free, corn free, sugar free gourmet oven baked dog treats.1,118 followers | Follow
proud vegan
A hundred years from now,it will not matter the sort of house I lived in, but the world may be different because I was important in the life of animals!1,072 followers | Follow
Andrew Westoll
Author. Journalist. Former primatologist. Chimpanzee biographer. My latest book is THE CHIMPS OF FAUNA SANCTUARY, which won the 2012 Charles Taylor Prize.1,065 followers | Follow
Raymond Ho
MA Psych student in Animal Behavior & Conservation. Primatologist. Anthropologist. Homosexual extraordinare. I heart kitties.960 followers | Follow
amma chocolate
O chocolate da Floresta Brasileira. Agora você pode fazer sua encomenda pelo e-mail chocolate@ammachocolate.com.br870 followers | Follow
DogsNeedAVoice
ONT residents (& others) uniting together 4 the rights of dogs everywhere & supporting MPP Cheri DiNovo in her quest to remove BSL from DOL Act.792 followers | Follow
Fixing Fido
Fixing Fido--Docu Film about man's best friend. From saving dogs in Japan's nuclear disaster to the midst of Amazon; highlighting incredible people along way!757 followers | Follow
Primarily Primates
Primate sanctuary in San Antonio for monkeys, apes, lemurs and more -- committed to high standards, lifetime respect and care.744 followers | Follow
NRCS California
USDA's NRCS helps people to be good stewards of the Nation’s soil, water and related natural resources on non-Federal lands.711 followers | Follow
TrioAnimalFoundation
The Trio Animal Foundation is a 501(c)(3) charitable organization that assists shelters, rescues and individuals by paying the medical bills of homeless pets.679 followers | Follow
Alexandra Saunders
I'm a new chocolatier, impassioned about cacao, the worlds from which it comes, and protecting threatened ecosystems,primates, wildlife, indigenous cultures620 followers | Follow
Peter Dickinson
Itinerant ZooKeeper wandering and wondering around the world. Zoo Blog, Zoo News Digest, Zoo Vacancies, Traveler, Writer and student of life.600 followers | Follow
Big Dogs Huge Paws
Giant Breed Rescue Group in 8 states (CO, KS, NM, TX, WY, NE, UT, MO) and GROWING!484 followers | Follow
PASA Primates
439 followers | Follow
Anti-Hunting
Hunting is a disgusting sport and should be outlawed. There should never be any enjoyment when killing innocent creatures.430 followers | Follow
13.7 Billion Years
Putting the sapiens back into Homo sapiens since 2008: Cosmology. Neuroscience. Conservation. Biodiversity. Sustainability. Animal Welfare. Ethical Consumption.422 followers | Follow
Save the elephants
German non-profit-organization Rettet die Elefanten Afrikas e.V. (Save the Elephants of Africa), founded in 1989, protection of Africa's grey giants397 followers | Follow
TwitCause Star
Here to help @TwitCause raise awareness of nonprofits and their causes. Click the link to become a TwitCause Star! It's easy -- and it works.383 followers | Follow
Ethical Expeditions
Helping to build resilient social-ecological systems in Borneo367 followers | Follow
The Bottom Line
The Bottom Line with David Suzuki explores the disconnect between our modern values and our relationship with the Earth.362 followers | Follow
Beyond Poverty
Dedicated to alleviating the hurt and suffering of developing nations in a holistic and sustainable manner! Hope, Dignity, Change.356 followers | Follow
Companiesandme
Relationships through conversations with authentic, local companies.277 followers | Follow
Gorilla Safari
179 followers | Follow
David Plattner
i am creating innovative conservation methodoligies on a large scale to assist rainforest worldwide77 followers | Follow
Tags:
green environment liberal progressive activists women children climate sustainable activism eco indigenous socialjustice humanrights hcr p2
