Research on global sun block needed now

Geoengineering studies of solar-radiation management should begin urgently, argue David W. Keith, Edward Parson and M. Granger Morgan — before a rogue state decides to act alone.

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Figure 1: Turning down the heat.

IMAGE: F. M. I. FLORES; DATA SOURCE: REF. 3

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Keith, D., Parson, E. & Morgan, M. Research on global sun block needed now. Nature 463, 426–427 (2010). https://doi.org/10.1038/463426a

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