Atmospheric chemistry keeps pollutants in the air Date: June 3, 2025 Source: Hokkaido University Summary: A new study details processes that keep pollutants aloft despite a drop in emissions.

And the air pollution that many of them contribute to leads to millions of premature deaths each year. Unlike CO₂, which lingers in the atmosphere for centuries, many super pollutants are short-lived.

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Space Industry Pollution In the Earth’s Upper Atmosphere. Vertical distribution of air pollutants from rocket launches and object reentries in 2022. Sources: ...

Atmospheric chemistry keeps pollutants in the air New study from Hokkaido University details processes that keep pollutants aloft despite a drop in emissions Peer-Reviewed Publication ...