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December 19, 2009
Graph of the Day for December 19, 2009
"What we don't need are weak regulations like those in Texas, where industry participation in many environmental programs is voluntary. Texas ranks first in the nation in the number of hazardous-waste incinerators and industrial emissions of carbon dioxide and mercury. If that's what Governor Bush has allowed to happen to his home state, imagine what President Bush would do for Detroit-and the rest of the country."
The Sierra Club in 2000.
Carbon Monoxide Concentration Trend
Source: The Environmental Protection Agency.
Hoven's Index for December 19, 2009
Changes in the national average of the six common pollutants monitored by the EPA, 1980 to 2008:
Carbon Monoxide: 79% decrease.
Ground level Ozone: 25% decrease.
Lead: 92% decrease.
Nitrogen Dioxide: 46% decrease.
Particulate matter: 19% decrease.
Sulfur Dioxide: 71% decrease.
Source: The EPA.
Graph of the Day Archive.