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Smoke from the Canadian wildfires has caused historically poor air quality in the northeastern U.S.

This animation shows how black carbon particles, or soot, moved across eastern portions of Canada and the U.S. from June 3–8, 2023.
https://go.nasa.gov/3oVEGBf
#NASAEarth

in reply to NASA

Too ironic U.S. Supreme Court just ruled in favor of upstream polluters.

Sackett v. Environmental Protection Agency, 598 U.S. ___ (2023)

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