Air Quality Improves in US

My friend Tom Arrison shared this good news with me: NASA’s Aura satellite has demonstrated the reduction of air pollution across the country.

After ten years in orbit, the Ozone Monitoring Instrument (OMI) on NASA’s Aura satellite has shown that people in major U.S. cities are breathing less nitrogen dioxide – a yellow-brown gas that can cause respiratory problems.

(The text above was cut and pasted from NASA’s webpage; link below)

http://www.nasa.gov/content/goddard/new-nasa-images-highlight-us-air-quality-improvement/#.U7SSn1bo4ZY

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