Natalie Portman, Kyra Sedgwick and Chloe Sevigny help explain in this National Geographic video how simply schanging a simple light bulb can help reverse the effects of green house gases – Featuring the music of Aimee Mann and remarkable footage from the National Geographic library.
Tags:Carbon footprint, celebrity, Chloe Sevigny, commercial, Kyra Sedgwick, light bulb, Natalie Portman, National Geographic
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