Geoengineering: Could it limit climate change?

From Carnegie Mellon University's website:

What if it were possible to modify the climate system to offset global warming? Carnegie Mellon's David Keith is exploring the feasibility of this idea — and its unintended consequences.

"Both because we may need it in an emergency, and because geoengineering is something a nation might start doing unilaterally, the time has come to undertake a transparent and globally coordinated program of research," said M. Granger Morgan, head of Carnegie Mellon's Department of Engineering and Public Policy.

Keith is working as part of a group of researchers from the Royal Society, the United Kingdom's...

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