US park rangers observe Karner blue butterfly disappearance from Indiana Dunes National Park due to climate change.

US park rangers, including biologist Laura Brennan, are witnessing the effects of the climate crisis on wildlife firsthand. The Karner blue butterfly, once abundant in Indiana Dunes National Park, is believed to have disappeared due to rising temperatures. The National Park Service is now battling the climate crisis' impacts, with biologist Dawn LaFleur working to save an at-risk pine species in Glacier National Park.

May 13, 2024
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