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My favorite green technology31 Dec, 2009 01:18 pm No offense to those working hard to bring wind, solar or geothermal energy to scale, or to people who are jazzed about energy efficiency,...Human Influence on Ecology18 Dec, 2007 11:30 am Scientists have reclassified biomes like deserts and forests into ecosystems that show how humans have altered the Earth. Jorge Ribas (Discovery News)... |