While much of the world is looking to phase out its coal production, United States President Donald Trump has put coal back on the energy agenda, with big plans to reinvigorate ageing coal facilities. Despite concerns over the impact of ongoing coal use on human health and the environment, Trump views fossil fuels as the most stable energy source to boost U.S. energy security, which could lead to consumers paying more for their energy bills over the coming years. Upon entering office in January, Trump declared an energy emergency, and he has since…