Behind the scenes in New Delhi, with David Letterman and energy expert Arunabha Ghosh. ➡ Subscribe: ➡ Watch all clips of Years .\r
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I do not own ANY of the soundtrack, property and rights for audio go to National Geographic. I do not own the right of the video footage, for rights go to .\r
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Hollywood celebrities and respected journalists span the globe to explore the issues of climate change and cover intimate stories of human triumph and tragedy.\r
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From the damage wrought by Hurricane Sandy to the upheaval caused by drought in the Middle East, this groundbreaking documentary event series provides .\r
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