Francisco Alves Mendes Filho, better known as Chico Mendes, was a Brazilian rubber tapper, trade union leader and environmentalist. He fought to preserve the Amazon rainforest, and advocated for the human rights of Brazilian peasants and in...

Albert Arnold "Al" Gore, Jr. is the former 45th Vice President of the United States who served from 1993 to 2001 under President Bill Clinton. He is currently an author, businessperson, and American environmental activist who starred in the...