I saw this on BigThink. Soros talks about how consumer spending has been America's engine of growth over the past decade. The current financial crisis has basically shut that engine off. So, what's the next engine that's going to take us out of the recession/depression we're heading into? Soros thinks it's energy - alternative energy and energy savings technology.
Read an interesting article a couple weeks back in the WSJ on how biofuels may actually increase carbon emissions in the medium to long-term. Apprently the shifts in land-use necessary to support the production of bio-materials like soybeans, corn, or palm could in fact release more carbon emissions. The time it takes to get carbon-neutral on some of these projects is pretty crazy - 319 years for soybean biodiesel from Brazil (assuming you're clearing rainforest), 93 years for corn ethanol from the U.S. (assuming you're clearing grasslands), 86 years for palm biodiesel from Indonesia (assuming you're clearing rainforest). I suppose biofuels really aren't meant to reduce carbon emissions, but just crazy that they potentially exacerbate the problem so much.
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