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Geoengineering and Global WarmingPadmakara said Nov 15, 2007, 2:27 AM: |
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In this TED talk environmental scientist David Keith talks about a cheap, effective, shocking solution to climate change: What if we injected a huge cloud of ash into the atmosphere, to deflect sunlight and heat? As an emergency measure to slow a melting ice cap, it could work. Keith discusses why it's a good idea, why it's a terrible one – and who, despite the cost, might be tempted to use it. David Keith: 'A surprising idea for “solving” climate change' |
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