National Wildlife Federation

The National Wildlife Federation is dedicated to preserving animals in the United States and works with local agencies in the 48 contiguous states. It is one of the largest environmental organizations, with over 4 million members participatingin grass-roots efforts on a variety of wildlife issues. The organization was actually founded by a cartoonist named Jay Darling in 1936 at the behest of President Franklin Delano Roosevelt.

Natural Resources Defense Council (NRDC)

According to the official website: "The Natural Resources Defense Council works to protect wildlife and wild places and to ensure a healthy environment for all life on earth". The NRDC combines hundreds of active lawyers with over 1.2 million members to create direct and legislative change. The focus is on preventing climate change and saving endangered species, among other goals.

For The Planet

If you've shopped for anything organic or sustainable you've likely seen the 1 % logo. With nearly 1,000 firms and companies now participating, 1 % is helping corporate interests green their bottom lines by giving back to environmental causes. It's a meaningful start.

Co-Op America

"Economic Action for a Just Planet" is the slogan of this green organization that seeks to empower consumers and harness the power of consumers to make the planet sustainable for future generations. They emphasize economic initiatives and actions over other more traditional environmental actions. This business-friendly environmental organization isalsoconsidered the gold standard for green businesses to be approved by. Co-Op America focuses equally on social justiceand environmental responsibility. (Note: the organization changed its name to Green America in 2009.)