President Donald Trump signed executive orders on Tuesday that keep aging coal generators running and undermine efforts to rein in pollution, including mercury and arsenic emissions

President Trump on Tuesday is expected to sign an executive order aiming to bolster U.S. coal mining. In the order, Trump will define coal as a “mineral,” allowing it to benefit from a previous

To help the struggling coal industry, President Trump used his executive authority to try to keep aging plants alive and burn more coal for electricity.