Related topics: air pollution · air quality

UN: Brief gains in air quality in 2020 over COVID lockdowns

The U.N. weather agency says the world—and especially urban areas—experienced a brief, sharp drop in emissions of air pollutants last year amid lockdown measures and related travel restrictions put in place over the coronavirus ...

Scientists analyze how the pandemic affected air quality

The coronavirus pandemic has changed the way we live, and several studies have documented how those widespread changes in human behavior have impacted the environment. NASA scientists and others using data from NASA and our ...

Pandemic air quality due to weather, not just lockdowns

Headlines proclaiming COVID lockdowns drastically reduced pollution were mostly referring to nitrogen dioxide, NO2, a reactive gas emitted from burning fuel. There had been less understanding of how lockdowns affected PM2.5, ...

Four mission ideas to compete for Earth Explorer 11

As part of ESA's commitment to develop and build satellite missions that push the boundaries of satellite technology and Earth science, four new mission ideas—Cairt, Nitrosat, Seastar and Wivern—have been selected to ...

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