COVID-19 provides a clear view of what causes air pollution

Mon, 05/11/2020 - 8:15am

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Sunday, May 2, 2020 article by Wall Street Journal reporter Jim Carlton provides vivid examples and photos of cleaner air following the various measures enacted to reduce the threat of the Coronavirus.

Included are findings by San Francisco-based Aclima where in the San Francisco Bay Area, home to about eight million people, “The region recorded a 31% decline in NO2 during the 10 weekdays ended April 6 compared with the previous three-year average for the same time. In addition, Aclima found a 39% drop in particulate matter such as from smoke and a 41% plunge in soot created by diesel fumes and other human sources.Carlton quotes Davida Herzl, Aclima’s co-founder who said, “We knew how bad the pollution was. What we didn’t know was how significantly it could drop.”

Richard Anderson

Disclaimer: The views and opinions expressed in this article are those of the authors and do not necessarily reflect the official policy or position of the Belfast, Camden, Rockland, Unity or West Bay Rotary clubs.