Ponds of coal bed methane water cover in the Powder River Basin near Gillette, Wyoming, 2007. Photo: RJ Sangosti/The Denver Post via Getty Images

The coal mining industry in the top coal-producing region of the U.S. is struggling despite President Trump's efforts to prop up the coal industry nationwide, according to AP.

Why it matters: Many coal producers in the Powder River Basin in northeastern Wyoming and southeastern Montana are filing for bankruptcy or consolidating as U.S. coal production has slid 30% since peaking in 2008 and small rural communities across the nation face economic uncertainty.

Context: 3 of 9 coal producers in the Powder River Basin have filed for bankruptcy since March, while 2 others said they would merge.

  • Blackjewel, the owner of several mines across the country, in July dismissed most employees and shut down the Eagle Butte and Belle Ayr mines, two of the highest-producing mines in the country. Negotiations to reopen the mines have stagnated.
  • Coal has buoyed the communities in the region and Wyoming's and Montana's state budgets for decades, but power companies are phasing out coal-fired power plants and switching to cheaper natural gas furnaces and solar and wind generators amid global concern about climate change.

By the numbers: About half of U.S. electricity came from coal-fired plants a decade ago, but coal now comprises only 30%.

  • Yes, but: The Powder River Basin still has a lot of recoverable coal left, and carbon-capturing technology installed in coal-fired power plants could make coal a viable option.

The bottom line: Carbon-capturing tech is still in its infancy, and experts say retrofitting power plants with the technology will be expensive.

Go deeper: The past and potential of replacing coal-fired power, heating with gas

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Updated 6 mins ago - Politics & Policy

Supreme Court clears way for first federal execution since 2003

Lethal injection facility in San Quentin, California. Photo: California Department of Corrections and Rehabilitation via Getty Images

The Supreme Court ruled early Tuesday that federal executions can resume, reversing a lower court decision and paving the way for the first lethal injection since 2003 to take place at a federal prison in Indiana, AP reports.

The big picture: A lower court had delayed the execution, saying inmates had provided evidence the government's plan to carry out executions using lethal injections "poses an unconstitutionally significant risk of serious pain."

1 hour ago - Health

More Republicans say they're wearing masks

Data: Axios/Ipsos poll; Chart: Andrew Witherspoon/Axios

Nearly two-thirds of Americans — and a noticeably increasing number of Republicans — say they’re wearing a face mask whenever they leave the house, according to the latest installment of the Axios-Ipsos Coronavirus Index.

Why it matters: A weakening partisan divide over masks, and a broad-based increase in the number of people wearing them, would be a welcome development as most of the country tries to beat back a rapidly growing outbreak.

Buildings are getting tested for coronavirus, too

Illustration: Eniola Odetunde/Axios

Testing buildings — not just people — could be an important way to stop the spread of the coronavirus.

Why it matters: People won't feel safe returning to schools, offices, bars and restaurants unless they can be assured they won't be infected by coronavirus particles lingering in the air — or being pumped through the buildings' air ducts. One day, even office furniture lined with plants could be used to clean air in cubicles.