An American Alpine Club librarian shelves books mailed back from members across the United States. The club’s collection includes more than 21,000 books and 50,000 images of interest to climate researchers. (Joe Purtell, Special to The Colorado Sun)

50,000 old photos in Golden are helping scientists answer new questions about climate change

American Alpine Club library's archive of images by early mountaineers holds clues for researchers documenting the retreat of glaciers worldwide

Outdoors Primary category in which blog post is published
Business Primary category in which blog post is published

Unemployment claims in Colorado continue to drop; more than 500,000 have sought aid since coronavirus began

There were 12,149 unemployment claims filed last week by people traditionally eligible for jobless benefits, according to the Colorado Department of Labor and Employment

Culture Primary category in which blog post is published

Colorado lawmakers want to keep your to-go quarantinis flowing beyond the coronavirus crisis

But not everyone is toasting the bipartisan proposal, which would extend the policy allowing restaurants and bars to sell take-out beer, wine and mixed drinks for two more years

Environment Primary category in which blog post is published

Colorado researchers spent decades trying to save disappearing rainbow trout. Finally, they’re making progress.

Genetics from Germany and a hardy cross with Gunnison River trout seem to be overcoming a nightmarish parasite that causes deadly whirling disease