Lightning is the primary ignition source of Arctic fires, which are also occurring farther north.
Arctic Fires
According to Jessica McCarty, Deputy Earth Science Division Chief at NASA’s Ames Research Center and an Arctic fire specialist, “Fire has always been a part of boreal and Arctic landscapes, but now it’s starting to act in more extreme ways that mimic what we’ve seen in the temperate and the tropical areas.” McCarty is also the lead author of the report published in 2025 by the Arctic Monitoring and Assessment Program (AMAP).
The concern isn’t how many fires are burning, but rather how hot they’re burning. “It’s the intensity…
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