President Trump signed an executive order changing the name of the country’s highest mountain from Denali to Mount McKinley.

"The most climate-stressed regions all contained permafrost, which is vulnerable to thaw as temperatures rise," researcher Sue Natali said.

Map of areas that experienced ecosystem climate stress in the Arctic-boreal region between ... including Alaska’s Yukon-Kuskokwim Delta and central Canada. These increases in water on the ...

An analysis of the rapidly warming Arctic-boreal ... central Siberia. Approximately 99% of the Eurasian tundra region experienced significant warming, compared to 72% of Eurasian boreal forests.

Approximately 99% of the Eurasian tundra region experienced significant warming, compared to 72% of Eurasian boreal forests. While some ... including Alaska’s Yukon-Kuskokwim Delta and central Canada.

A legacy of fire suppression has left much of the West with tinderbox forests ... boreal region, aiming to develop new kinds of fuel breaks and fuel reduction strategies to resist fire damage, ...

Tree distribution in boreal forests like the one at the entrance to Denali National Park, in Alaska, will likely undergo changes in the coming century. Credit: NPS Photo/Tim Rains Boreal forests ...