Boulderganic

The long road to carbon-free energy

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Earlier this year, Xcel Energy made a commitment to reduce carbon emissions by 85% by 2030. With that goal in mind it’s...

Facing the climate penalty

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Colorado is no stranger to wildfires. Last year our state saw one of the most active fire seasons in history, with three...

In Wyoming, fences are coming down to make way for wildlife

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Article originally published in National Geographic. On a warm July morning, roughly two dozen volunteers gathered at a...

Progress on the roadmap

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Colorado has a goal to run on 100 percent renewable energy by 2040—how far along the path are we, and is it still achievable?

We looked for some of the hottest places in California. We...

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The first time ProPublica traveled to Thermal, California, in June 2020, the temperature happened to be 114 degrees, and we felt stupefied,...

Fighting for indoor air quality, mid-fire season

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2020 was a historically bad year for wildfires across the western U.S. And 2021 is on pace to be even worse. So...

What’s up with microgrids?

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Dr. Peter Lilienthal has been in the renewables business a long time. In 1979 he started selling...

Tree-free paper is saving forests and farmers in Washington state

In 2013, about 20 wheat farmers gathered at a local pizza joint in Dayton, Washington to hear John Begley, CEO of Columbia...

CSU research helps remediate Superfund contaminated by mining operations

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Despite its decline in the past 100 years, mining continues to impact communities around Colorado as contaminated effluence from abandoned mines...

Americans want more renewable energy. Can ‘community choice’ help them get...

 Editor’s note: A bill to study community choice energy (or aggregation) at the Public Utilities Commission, sponsored by Rep. Edie Hooten from...

Pandemic drives Rocky Flats recreation, as local officials support greenway construction...

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During the Cold War, the Rocky Flats Plant south of Boulder produced plutonium triggers for nuclear weapons. But the pristine beauty of...

The new bison deal

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The City of Denver has maintained two herds of genetically pure bison, descendant from the last wild bison in North America, in...