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U.S. could eliminate CO2 emissions from coal in 20 years, experts say

Date:
May 2, 2010
Source:
American Chemical Society
Summary:
The United States could completely stop emissions of carbon dioxide from coal-fired electric power plants -- a crucial step for controlling global warming -- within 20 years by using technology that already exists or could be commercially available within a decade. That's the conclusion of an article by a group of scientists, engineers, and architects.

A group of experts says that emissions of carbon dioxide from coal-fired electric power plants -- a crucial step for controlling global warming -- within 20 years by using technology that already exists or could be commercially available within a decade.
Credit: iStockphoto

The United States could completely stop emissions of carbon dioxide from coal-fired electric power plants -- a crucial step for controlling global warming -- within 20 years by using technology that already exists or could be commercially available within a decade, according to a group of scientists, engineers, and architects.

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That's the conclusion of an article published online, along with a news article on the topic, in the American Chemical Society's semi-monthly journal Environmental Science & Technology (ES&T). Both are scheduled for the June 1 print edition of ES&T.

Pushker Kharecha and colleagues -- from NASA's Goddard Institute for Space Studies, the Columbia University Earth Institute, the National Renewable Energy Laboratory, and 2030 Inc./Architecture 2030 -- say that the global climate change problem becomes manageable only if society deals quickly with emissions of carbon dioxide from burning coal in electric power plants.

"The only practical way to preserve a planet resembling that of the Holocene (today's world) with reasonably stable shorelines and preservation of species, is to rapidly phase out coal emissions and prohibit emissions from unconventional fossil fuels such as oil shale and tar sands," they state.

The authors outline strategies to make that phase-out possible. They include elimination of subsidies for fossil fuels; putting rising prices on carbon emissions; major improvements in electricity transmission and the energy efficiency of homes, commercial buildings, and appliances; replacing coal power with biomass, geothermal, wind, solar, and third-generation nuclear power; and after successful demonstration at commercial scales, deployment of advanced (fourth-generation) nuclear power plants; and carbon capture and storage at remaining coal plants.


Story Source:

The above story is based on materials provided by American Chemical Society. Note: Materials may be edited for content and length.


Journal References:

  1. Pushker A. Kharecha, Charles F. Kutscher, James E. Hansen and Edward Mazria. Options for Near-Term Phaseout of CO2 Emissions from Coal Use in the United States. Environmental Science & Technology, 2010; DOI: 10.1021/es903884a
  2. Kellyn Betts. Can the U.S. phase out coal's greenhouse gas emissions by 2030? Environmental Science & Technology, 2010; DOI: 10.1021/es101320m

Cite This Page:

American Chemical Society. "U.S. could eliminate CO2 emissions from coal in 20 years, experts say." ScienceDaily. ScienceDaily, 2 May 2010. <www.sciencedaily.com/releases/2010/04/100430081731.htm>.
American Chemical Society. (2010, May 2). U.S. could eliminate CO2 emissions from coal in 20 years, experts say. ScienceDaily. Retrieved December 21, 2014 from www.sciencedaily.com/releases/2010/04/100430081731.htm
American Chemical Society. "U.S. could eliminate CO2 emissions from coal in 20 years, experts say." ScienceDaily. www.sciencedaily.com/releases/2010/04/100430081731.htm (accessed December 21, 2014).

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