Causes www.washingtonpost.com A Harvard study tying coronavirus death rates to pollution is causing an uproar in Washington It shows conducting science in the middle of a pandemic can be fraught.
Causes www.alleghenyfront.org Can air pollution make coronavirus worse? Scientists say yes Air pollution could make COVID-19 worse possibly in both cases and severity. That's bad news for Pittsburgh.
Causes www.therecord.com More air pollution linked to higher death rate among Canadians: Study New research suggests air pollution at any concentration is harmful and that even levels below national and international guidelines are associated with an increased risk of death.