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Lowering coal-fired power plant emissions may have saved 1,700 lives in one year

Date:
September 3, 2014
Source:
American Chemical Society
Summary:
After scoring a Supreme Court victory this spring, the Environmental Protection Agency can move forward with its strategy to cut air pollution from coal-fired power plants in several states -- and new research suggests the impact could be lifesaving.
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After scoring a Supreme Court victory this spring, the Environmental Protection Agency can move forward with its strategy to cut air pollution from coal-fired power plants in several states -- and new research suggests the impact could be lifesaving. Scientists assessed the effects of one state's prescient restrictions on plant emissions in a report in the ACS journal Environmental Science & Technology. They estimated that the state's legislation prevented about 1,700 premature deaths in 2012.

Jacqueline MacDonald Gibson and Ya-Ru Li explain that the U.S. has been working for years to lower levels of particulate matter, a form of air pollution that can cause serious health problems when people breathe it in. Certain kinds of particulate matter form mainly from power plant emissions. More than 10 years ago, correctly anticipating the federal government would eventually set tighter restrictions on power plants, North Carolina had approved more stringent goals than neighboring states. It required 14 major coal-fired plants within its borders to reduce emissions of nitrogen oxides and sulfur dioxides by 60 percent and 72 percent, respectively, over a 10-year period. Gibson's team wanted to see what effect the measures were having.

They found that the policy had successfully reduced emissions in North Carolina more than other southeastern states. Sulfur dioxide levels, for example, dropped an average of 20 percent a year from 2002 to 2012. Across all southeastern states, they dropped 13.6 percent per year. As a result of the improved air in North Carolina, the scientists used a health impact model to estimate that about 1,700 lives were saved in 2012 alone.


Story Source:

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


Journal Reference:

  1. Ya-Ru Li, Jacqueline MacDonald Gibson. Health and Air Quality Benefits of Policies to Reduce Coal-Fired Power Plant Emissions: A Case Study in North Carolina. Environmental Science & Technology, 2014; 48 (17): 10019 DOI: 10.1021/es501358a

Cite This Page:

American Chemical Society. "Lowering coal-fired power plant emissions may have saved 1,700 lives in one year." ScienceDaily. ScienceDaily, 3 September 2014. <www.sciencedaily.com/releases/2014/09/140903105809.htm>.
American Chemical Society. (2014, September 3). Lowering coal-fired power plant emissions may have saved 1,700 lives in one year. ScienceDaily. Retrieved May 25, 2015 from www.sciencedaily.com/releases/2014/09/140903105809.htm
American Chemical Society. "Lowering coal-fired power plant emissions may have saved 1,700 lives in one year." ScienceDaily. www.sciencedaily.com/releases/2014/09/140903105809.htm (accessed May 25, 2015).

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