Basketball superstar and wildlife advocate Yao Ming travels to Africa to help spread awareness about the cruelty of poaching. Yao sees for himself the evidence of a losing battle, where Africa's giants are senselessly slain every day for their tusks.
We follow wildlife photographer Charlie Hamilton James, who has bought 100 acres of the Peruvian rainforest in the hope that it will stop loggers illegally cutting down trees.
Adventurers Eric Larsen and Ryan Waters race 500 miles unassisted across the Arctic Ocean as they battle weather, nature, climate change and their own fortitude in their attempt to reach the geographic North Pole in record time.
Giant Pandas are facing extinction, but in central China, two panda centers are embarking on a remarkable experiment to breed captive pandas in order to release them into the wild.