Human-caused emissions of air pollutants fell during last year’s COVID-19 economic slowdowns, improving air quality in some parts of the world, while wildfires and sand and dust storms in 2020 worsened air quality in other places, according to a new report from the World Meteorological Organization (WMO).
First Annual Report Highlights Links Between Air Quality and Climate Change
It’s Not Just SARS-CoV-2: Most Respiratory Viruses Spread by Aerosols
SARS-CoV-2, the virus behind today’s global coronavirus pandemic, spreads primarily by inhalation of virus-laden aerosols at both short and long ranges—and a comprehensive new assessment of respiratory viruses finds that many others probably do as well. MERS-CoV, influenza, measles, and the rhinoviruses that cause the common cold can all also spread via aerosols that can build up in indoor air and linger for hours, an international interdisciplinary team of researchers reports in a review published in Science August 27.
State of the Climate Report Confirms 2020 Was Among Three Warmest Years on Record
A new report on the global climate confirmed that 2020 was among the three warmest years in records dating to the mid-1800s, despite a co