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
Education Primary category in which blog post is published

After 22-week coronavirus hiatus, high school sports competition resumes in Colorado

Football, boys soccer, girls volleyball, field hockey and gymnastics won't return until the spring

Business Primary category in which blog post is published

Fraudulent unemployment claims continue in Colorado, but 30-50% were stopped “at the front door”

New unemployment claims for the first time last week dropped below the highest point of the Great Recession.

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Kanye West qualifies to be on Colorado’s 2020 presidential ballot

West paid $1,000 and submitted the names of 9 valid electors to the Colorado Secretary of State's Office on Wednesday to ensure his spot in the November contest.