<p>(Earth Focus: Episode 20) In this episode of Earth Focus, see how Google Earth helps Brazil’s Surui people preserve their culture and protect the Amazon rainforest. Chinese low-emission cook stoves save money and lives in South Africa. Roscoe, a small Texas town, builds one of the world's largest wind farms, and the local economy stands to benefit. Also, six outstanding young environmentalists — winners of the 2009 Brower Youth Awards -- tell their stories.</p><p><a href=" more about climate change, and find out what you can do.</a></p><p>(3/1/2010)</p>