Fund food and care for neglected animals for FREE. Click one button and you will have donated. It costs you nothing, can be done daily, and the button isn't an annoying banner with pop-ups or anything.
National Geographic provides free maps, photos, videos and daily news stories, as well as articles and features about animals, the environment, cultures, history, world music and travel.
BBC Science and Nature. There are sections dedicated to animals, prehistoric life, space, the human body & mind, as well as TV and radio follow-ups.