Leigh Paterson
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Coloradans are debating a bill that would allow guns to be temporarily taken away from someone who is a significant risk to themselves or to others.
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After a deadly home explosion in Northern Colorado, residents want to change the rules on how close their homes and schools should be to oil and gas wells.
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Voters in coal country overwhelmingly chose Donald Trump. They liked his promises to create jobs, even if they didn't like his other rhetoric. Now, they're waiting to see if coal can make a comeback.
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In 2016, the collapse of the coal industry hit the epicenter of U.S. production: Wyoming. Miners reflect on hard times, and how they're hedging their bets in a shrinking industry.
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A crude oil pipeline in western North Dakota has leaked nearly 200,000 barrels of oil. The scene is about 150 miles west of where protesters have been fighting the Dakota Access pipeline.
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Batteries can store energy for later, but companies are looking for cheaper alternatives. Three reporters examine technologies that employ air, salt and ice.
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Renewable energy is taking off across the nation, but storing the energy is still a problem that is challenging companies to innovate, with solutions ranging from molten salt to ice.
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Peabody Coal, one of the largest coal producers in the world, is teetering on the edge of bankruptcy. It would be the latest in a string of major coal companies going under. But drive through Wyoming's Powder River Basin, where 40 percent of U.S. coal is mined, and it's as if nothing has changed, even at sites owned by bankrupt companies.
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The U.S. coal industry is fading. As more companies declare bankruptcy, they may not be able to pay for land restoration projects — and taxpayers could be left with the cleanup bill.
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The ability to store energy could revolutionize the way electricity is made and used. But for many utility companies and regular folks, energy storage is still too costly and difficult.