Since the 1990's the U.S. has steadily abandoned coal and instead turned to natural gas and renewables to run America. But coal is back, thanks to President Trump's recent repeal of restrictions on the coal industry. Most scientists agree that coal is one of the main sources of air pollution and consequently, climate change. Others say the answer is so-called âclean coal.'
This program will begin at
This program has ended and is being processed for playback.