The rainforest of southern Costa Rica's Osa Peninsula has one of the richest bio-diversities of any region on Earth: 500 tree species, nearly four hundred kinds of birds, plus monkeys, jaguars and reptiles. But not even here are they entirely safe. Conservationists on the Osa Peninsula are working to save one of the last pieces of untouched paradise. Read more: http://www.dw.com/en/program/global-3000/s-11487-9798