UN report warns of catastrophic risks to Earth systems

Melting glaciers, unbearable heat and space junk: a month before crunch climate talks in the United Arab Emirates, a UN report published Wednesday warns about irreversible impacts to the planet without drastic changes to ...

Cleaner snow boosts future snowpack predictions

Less pollution settling into snow should help cut the decline of snowpack in the Northern Hemisphere later this century. Though the snowpack will still diminish due to rising temperatures, the outlook is less dire when the ...

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