Geoengineering Being Discussed in Washington

November 6, 2009 06:47 AM - Roger Greenway, ENN

Dr. Ken Caldeira, of the Carnegie Institution of Washington provided a balanced look at the potential benefits and also the costs and possible harm that geoengineering techniques could offer in our quest to find a “Magic Bullet”� to counter global warming. Can global warming be mitigated by a technological fix such as injecting light-blocking particles into the atmosphere or chemically “scrubbing”� excess greenhouse gases from the atmosphere? Department of Global Ecology scientist Ken Caldeira addressed this question in his testimony to the U.S. House of Representatives Committee on Science and Technology in a hearing titled “Geoengineering: Assessing the Implications of Large-Scale Climate Intervention”� on November 5, 2009.

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