Oil seems to be at the root of many of our world problems. These GreenHeroes are cutting down on emissions and preserving our earth.

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Featuring: - Leilani Munter (a professional racecar driver who is doing her part for the environment by greening NASCAR) - Clayton Thomas-Muller (his work with the Indigenous - Environmental Network makes a difference in the controversial oil extraction) Andrew Ference (an avid environmentalist that spearheaded the NHLPA's Carbon Neutral Challenge). Ian Clifford (creator of the Zenn Electric car).