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From: ahhaha	12/5/2006 3:48:30 PM
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As alternative energy heats up, environmental concerns grow - WSJ Online via Briefings According to the WSJ Online, investors are pouring billions of dollars into "renewable" energy sources such as ethanol, biodiesel and solar power that promise to reduce the world's reliance on petroleum. But exploiting these alternatives may produce unintended environmental and economic consequences that offset the expected benefits. Some experts are also concerned that crops for biofuels will compete with other farmland, possibly driving up global costs of basic food production. It's not clear how serious these problems will become -- or whether they eventually will be resolved through new technologies and stricter environmental measures. Proponents of alternative energy, including some palm oil industry executives, say the dangers are exaggerated and are outweighed by the benefits new fuels promise. David Pimentel, Cornell University Professor, argues that expanding corn production for biofuels would deplete water resources and pollute soils with added fertilizer and chemicals. It would also require huge volumes of traditional energy for farming equipment and ethanol conversion facilities -- a toll that could nullify gains from the less polluting fuel produced.

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