Leonardo DiCaprio report's on the International Fund for Animal Welfare's efforts to protect elephants in Kenya's Meru Park.
The world's ecosystems are under intense pressure," he says. "Thirty years ago Kenya's Meru National Park was a showcase for African wildlife and biodiversity, 336 square miles teeming with giraffe and lion, leopard and antelope. Rhinos, zebras and cheetahs roamed the plains with 30,000 elephants... Then disaster struck."
Watch the video to see what happened and how you can help:
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