Caribou, migrating birds and many other types of wildlife rely on this expanse of wetlands and tundra. Humanity and the ...

Arctic hares spend most of their time above the northern tree line on the tundra; some migrate below the tree line in the winter. They may dwell at altitudes of up to 900 m.

It was summer in eastern Siberia, far above the Arctic Circle, in that part of Russia that’s closer to Alaska than to Moscow. There wasn’t a speck of frost or snow in sight.

A rapidly warming Arctic is driving long-lasting summer extremes, such as this month’s sweltering temperatures, new research ...

New research explores the wide-ranging consequences of record low summer sea ice in Antarctica. From more ocean warming to ...

Global warming just got a brand-new source for trapping heat as Arctic tundra turns up the dial on CO2 emissions. It’s now in the ranks of cars, trains, ...

A few pockets of showers and downpours could disrupt outdoor plans this afternoon. Tropical moisture from the remnants of Barry will keep rain chances elevated through the rest of the workweek.

Explore news and insights on climate change, environment policies, global warming and sustainable practices with The New York Times Climate and Environment section.

MINNESOTA, USA — It has been a beautiful start to the month of July and this fantastic weather will continue for your evening plans. Temperatures will drop to the 70s after sunset under clear skies.