Ranking geo-engineering schemes
Nature Geoscience
2008년10월27일
Geo-engineering schemes that aim to stabilize the Earth’s climate should be ranked according to their efficacy, cost, associated risks and timeframe, argues a Commentary online in Nature Geoscience. The author suggests that, of the various schemes that have been proposed, only a few can be investigated in detail and we must choose the most promising ones.
Philip Boyd makes a case that, given the urgency of combating global warming, timescale could be used as a knock-out criterion for geo-engineering schemes. The time it takes for climate stabilization measures to take effect, and the delay in halting a scheme if undesired side effects are overwhelming, have not received sufficient attention, according to Boyd. A transparent ranking process is needed in order to choose the best schemes, and to win public support.
doi: 10.1038/ngeo348
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