Fierce as David against Goliath, 13-year-old Felix Finkbeiner electrifies audiences around the world. His message is simple: adults have been talking about environmental threats for more than 20 years, and now it is time to stop talking and start planting millions of trees in order to reduce the excess carbon dioxide that is warming the planet.
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Watch the video of the speech of Felix Finkbeiner at the United Nations (New York), in February 2011.
