Climate Changed

The Myth of Donald Trump’s ‘Beautiful Clean Coal’

While the U.S. president advocates for the most polluting fossil fuel, a shrinking number of power companies see a future for it.

Donald Trump models a hard hat in support of miners during a rally at the Charleston Civic Center in Charleston, West Virginia on May 5, 2016.

Donald Trump models a hard hat in support of miners during a rally at the Charleston Civic Center in Charleston, West Virginia on May 5, 2016.

Photographer: Mark Lyons/Getty Images North America

Thick white smoke tinged with a silvery hue blows from the chimney of one of the cleanest coal plants in the world.

Designed by General Electric Co. and run by the German utility Energie Baden-Wuerttemberg AG, this facility in Karlsruhe on the banks of the Rhine River is at the heart of a debate about whether coal can ever be clean enough to work in a world fighting climate change.