A yearly checkup on the region documents a warmer, rainier Arctic and 200 Alaskan rivers “rusting” as melting tundra leaches minerals from the soil into waterways.
American officials joined Russia, Saudi Arabia and Iran in objecting to language on fossils fuels, biodiversity and plastics in a report that was three years in the making.
Blooms of yellowish-brown seaweed along the Equator are breaking records and defiling beaches, while a centuries-old patch farther north is disappearing.
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