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Why are spruce trees turning orange in the Alaska Range?Healy, Alaska, United States 5 Sep 2020 ![]() |
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Wasp Gall on RosebushDenali National Park, Alaska, United States 28 Jun 2020 |
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Disappearance of Tundra PondsMcKinley Park, Alaska, United States 9 May 2019 |
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Landslides, floods, smoke: Prepare for climate change effects in Denali National ParkDenali National Park, Alaska, United States 1 Sep 2017 ![]() |
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Spruce beetle devastation returns to Southcentral Alaska — and moves northCantwell, Alaska, United States 31 Aug 2017 ![]() |