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A Colorado Parks and Wildlife employee power-washes invasive mussels off a boat that was attempting to come into Navajo Reservoir, in southwest Colorado, from Lake Powell in Arizona. CPW has seen a record number of mussel-infested boats attempting to launch into Colorado bodies of water this year. (Photo courtesy of Colorado Parks and Wildlife)

How the Southwest’s drought has led to a record-breaking increase in invasive mussels on boats coming into Colorado

Lake Powell’s low water levels have given invasive mussels an easier way to latch onto boats and hitchhike into Colorado

Environment Primary category in which blog post is published

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Politics and Government Primary category in which blog post is published

Lisa Calderón, Denver activist and Michael Hancock critic, announces run for mayor

Lisa Calderón joins a growing list of candidates vying to unseat Hancock next year

Politics and Government Primary category in which blog post is published

Fact check: A look at what’s true (and what’s not) in the race between Mike Coffman and Jason Crow

A roundup of fact checks on TV ads in the 6th Congressional District race finds many problems with the political claims

Outdoors Primary category in which blog post is published

How Colorado’s ski resorts can continue making snow in drought years like this one

A dry season more than 40 years ago kicked off decades of aggressive water rights acquisition, storage and other techniques to keep the slopes white