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Wind turbines in grass field during golden hour.
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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