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A woman looks at a handmade journal that includes pressed flowers and leaves.
A river runs between hills covered with trees displaying fall foliage colors.
A woman stands in front of a garbage dump next to an abandoned building holding a poster that says "there is no planet b."
A copy of Pope Francis' Laudato Si encyclical propped against a wooden pew in a church with the pope's photo on the cover.
suncor commerce city colorado pollution

Councilperson calls for change as Suncor keeps violating rules

When Colorado's largest polluter spewed gases into the air this weekend, the state warned people to stay inside. That kind of warning is rare, but the Suncor refinery in Commerce City emitting gases that could make people sick isn't.

colorado fossils paleontology climate

Colorado fossils show rate of climate change

Paleontologists can trace climate change through Earth's history by analyzing fossils in Colorado. But they say it's never changed as fast as it is today.
snake river metal climate impacts

More metals in Upper Snake River due to climate change

A first-of-its-kind study suggests that warmer weather and less snowpack are causing higher concentrations of rare earth elements in the river.
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