Solution to global warming

We all know what must be done to save our planet from global warming: Stop loading the atmosphere with greenhouse gases. If we do nothing, entire ecosystems will collapse. The ice sheets will melt, and much of our coastline will disappear under the waves. Wallace Broecker says he likes windmills and fuel-efficient cars to the extent that they can buy time against global warming. But the ultimate solution has to be technology that can actually extract carbon dioxide from the air and power plants, and bury it.

The whole thing sounds fantastical, but the people behind it are firmly grounded on this planet. Broecker is Newberry professor at Columbia University’s Lamont-Doherty Earth Observatory. He won the Vetlesen Prize, considered the Nobel equivalent for geology, and holds the Presidential Medal of Science.

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