The Century’s Environmental Leaders

By Katie Paul
Al Gore may be the green spokesman of the moment, but he and the rest of today’s environmental leaders stand on the shoulders of a long and diverse list of giants. Researchers, explorers, scientists, activists, conservationists, filmmakers, world leaders, and ordinary citizens have all made a case for how humans should best manage their interactions with the natural world around them, as well as how they should fix the messes they’ve caused along the way. Here, a look back at some of the most influential environmental leaders of the last century, from the highly celebrated to the unsung heroes of the movement.