To consolidate, disseminate, and gather information concerning the 710 expansion into our San Rafael neighborhood and into our surrounding neighborhoods. If you have an item that you would like posted on this blog, please e-mail the item to Peggy Drouet at pdrouet@earthlink.net

Monday, February 3, 2014

Worst air pollution in China and the U.S.


February 2, 2014

PM2.5 is a technical term for microscopic particles about one-thirtieth the width of a human hair. PM2.5 particuate pollution comes mostly from burning fossil fuels. It is extremely damaging to human health because the tiny particles have the ability to enter lung and blood tissue and can lead to asthma, cardiovascular disease and cancer. Read related story.
Comparing Chinese and U.S. air pollution
Sources: Chinese Ministry of Environmental Protection, American Lung Association and WHO. Simon Denyer and Richard Johnson/The Washington Post.