Founder and President of the Earth Policy Institute, Lester Brown, speaks about his new book World on the Edge: How to Prevent Environmental and Economic Collapse. The issues, says Brown, are critical -- and the big question is whether we can change direction before "we go over the edge." Among his points: solar, wind and geothermal energy, with energy efficiency, can provide all the power we need, but a massive effort must be made now to fully shift to these clean, safe, renewable energy technologies. He strongly rejects nuclear power. EnviroVideo #611 Running time 32:16 www.envirovideo.com Less