Combat Global Warming With Light Bulbs, Says Natalie Portman

Author:
National Geographic Channel
Updated:
Mar 1, 2018
Original:
Feb 8, 2009

Natalie Portman, Kyra Sedgwick and Chloe Sevigny explain how simply changing a light bulb can help reverse the effects of greenhouse gases. With music by Aimee Mann.

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Combat Global Warming With Light Bulbs, Says Natalie Portman

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