NASA showcases big drop in air pollution over D.C., I-95 corridor since 2005

June 26, 2014 8:42 PM

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NASA has released some encouraging images showing a marked decline in air pollution over much of the eastern U.S., including Washington, D.C. and the I-95 corridor since 2005.

Nitrogen dioxide is one of the six common pollutants regulated by the U.S. Environmental Protection Agency (EPA) to protect human health. Alone it can impact the respiratory system, but it also contributes to the formation of other pollutants including ground-level ozone and particulates, which also...

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