Rocky Mountain forests are dying, report finds, blaming climate change

The main evergreen and aspen tree species making up Rocky Mountain forests are dwindling and likely will die out dramatically by 2060, according to a report by science advocacy groups.

It’s not clear what will replace them.

The Union of Concerned Scientists and Rocky Mountain Climate Organization report, unveiled Wednesday, draws on U.S. Forest Service data documenting tree deaths and projecting future growth based on climate.

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