Environment
National Geographic
Since 1888, we've traveled the Earth, sharing its amazing stories with new generations. Official Twitter account of National Geographic.1,876,969 followers | Follow
Scientific American
Scientific American Magazine and online, over 165 years of science news365,319 followers | Follow
TreeHugger.com
Links, Ideas and Conversation from the TreeHugger hive mind, the latest in modern green.168,476 followers | Follow
Live Earth
Leveraging the power of entertainment through integrated events, media and live experience. Join the global movement to help solve critical environmental issues95,486 followers | Follow
NOAA's Ocean Service
NOAA's National Ocean Service is the nation's premier federal science agency for oceans and coasts.43,890 followers | Follow
Friends of the Earth
We see the wellbeing of people and planet as one and the same. This inspires our campaigns on climate, energy, wildlife and living within the planet’s limits.42,605 followers | Follow
Earth Institute
Mobilizing the sciences, education and public policy to achieve a sustainable earth36,541 followers | Follow
Greenversations
The official blog of the U.S. Environmental Protection Agency28,851 followers | Follow
National Zoo
The Smithsonian's National Zoo demonstrates leadership in animal care, science, education, and sustainability.27,727 followers | Follow
NOAA Ocean Explorer
NOAA Ocean Explorer is an educational Internet offering for all who wish to learn about, discover, and virtually explore the ocean realm.19,872 followers | Follow
chelseagreen
Book Publisher focused on the Politics and Practice of Sustainable Living. Also tweeting on @greentweet.18,890 followers | Follow
EPS Climate
Eco Preservation Society: No Politics, No Propaganda, No Bull:17,417 followers | Follow
Banff Squirrel
Unlikely Spokes-Squirrel of Banff and Lake Louise Tourism in Banff National Park, Alberta, Canada. squirrel@banfflakelouise.com10,731 followers | Follow
Fabien Cousteau
Eldest grandson of Jacques Yves Cousteau, Fabien continues the legacy and mission of exploration, media production, environmental advocacy and plantafish.org10,112 followers | Follow
Friend a Gorilla
4,037 followers | Follow
Out of Africa Park
Call us Crazy, Call us Fun-- Just Don't Call us A Zoo! Out of Africa Wildlife Park is a totally unique Animal Experience. Visit us in Sedona, AZ!1,317 followers | Follow
