WASHINGTON—The icy region at the top of the globe, lashed by wildfire and pelted with increasingly heavy precipitation, has tipped into “uncharted territory,” scientists reported Tuesday. The Arctic ...

The Arctic is rapidly changing from the climate crisis, with no "new normal," scientists warn. Wildfires and permafrost thaw are making the tundra emit more carbon than it absorbs. From beaver ...

Warming temperatures are causing plants across alpine and arctic environments to stay green longer and reproduce earlier, scientists find Across the tundra, warming temperatures are causing plants to ...

The warming climate shifts the dynamics of tundra environments and makes them release trapped carbon, according to a new study published in Nature. These changes could transform tundras from carbon ...

Arctic tundra, which has stored carbon for thousands of years, has now become a source of planet-warming pollution. As wildfires increase and hotter temperatures melt long-frozen ground, the region is ...

Federal fire officials determined that the East Fork Fire was no longer a threat to lower Yukon River villages as of June 25, 2022. (Bureau of Land Management) In June, the largest tundra fire the ...

ANCHORAGE, Alaska (Reuters) - A wildfire that burned over 400 square miles of Alaska tundra in the scorching summer of 2007 poured as much carbon into the atmosphere as the entire Arctic normally ...

From Alaska to Siberia, the Arctic is changing so rapidly that there is no "normal" there now, scientists warn. The ...