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Climate change: Extreme cures may make things worse




This picture taken on January 17, 2013 shows a cement factory releasing heavy smoke in Binzhou, in eastern China's Shandong province.
This picture taken on January 17, 2013 shows a cement factory releasing heavy smoke in Binzhou, in eastern China's Shandong province.
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If there’s a man-made way to fight off the consequences of climate change, it’s not a substitute for reducing greenhouse gas emissions.

Some of the country’s leading minds on climate change issued a two-volume report, evaluating some of the current carbon dioxide removal techniques and albedo-modification technologies, which attempt to improve the ability of Earth and its clouds to reflect incoming sunlight. The NRC committee deemed these techniques, commonly referred to as “geoengineering,” risky and suggested that they may not be ready to be used yet.

What are some of these techniques for removing carbon dioxide from the atmosphere and who is developing them? Are there other techniques that

Guests: 

Ken Caldeira, member of the NRC panel that released the reports; climate scientist, Carnegie Institution for Science at Stanford University

David Biello, environment and energy editor at Scientific American