With nearly 25,000 followers, National Wildlife Federation’s Twitter feed has become the go-to place for the latest news on wildlife and the natural world. Planet Green says “@NWF is a must-follow for quick, interesting updates on animals, plants, ecosystems, and politics surrounding our planet.”

Thank you to all of those who helped vote NWF to the top of the list. And, if you are not already, be sure to follow NWF on Twitter: www.twitter.com/NWF.