Ed Markey @SenMarkey
Communities of color breathe dirtier air, with pollutants varying up to 800% from one end of a city block to the next. Only by assessing air quality block-by-block can we ensure all Americans have clean and safe air, regardless of their race, ZIP code, or income. — PolitiTweet.org
The Washington Post @washingtonpost
Mobile air quality monitoring in San Francisco and Oakland challenges the accuracy of stationary monitoring sites a… https://t.co/tibJXLgTB6