Related topics: volcano

WHO says 99% of world's population breathes poor-quality air

The U.N. health agency says nearly everybody in the world breathes air that doesn't meet its standards for air quality, calling for more action to reduce fossil-fuel use, which generates pollutants that cause respiratory ...

Remote work may be keeping some cities' air cleaner

In the spring of 2020, COVID-19-related restrictions in the United States led to reductions in nitrogen oxide (NOx) emissions because of the sudden drop in road traffic. But even after restrictions were lifted and the flow ...

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