July was the planet's hottest month on record—so far

A sizzling month marked by record heat waves, major wildfires, melting sea ice and a burgeoning El Niño will go down in the books as the hottest July on record—at least until next year, federal officials said Monday.

Study shows air pollution speeds snowmelt

Diminished anthropogenic pollutant emissions during 2020 COVID-19 lockdowns reduced snowmelt in the Himalayas, according to a study published in the journal PNAS Nexus.

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