I wrote last week about a curious fact: even though total CO2 emissions from the US electric power sector have dropped during the recession, the emissions intensity of the US power supply -- that is, the amount of carbon per megawatt hour produced -- actually inched upwards. The decline in total emissions is good news in the short term. Yet the increase in emissions intensity is worrisome: if we're going to keep emissions low once the economy picks up again, emissions intensity has to keep declining -- even if the economy is stumbling. Climate Data Due Diligence, rides to the …
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Clark Williams-Derry is research director for the Seattle-based Sightline Institute, a nonprofit sustainability think tank working to promote smart solutions for the Pacific Northwest. He was formerly the webmaster for Grist.
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