The Trump administration has announced a plan to scrap a landmark finding that greenhouse gases are harmful to the environment, severely curbing the federal government's ability to combat climate change. Known as the "Endangerment Finding", the 2009 order from then-President Barack Obama allowed the US Environmental Protection Agency (EPA) to create rules to limit pollution by setting emissions standards. ... The Endangerment Finding stemmed from a 2007 Supreme Court case in which the court ruled that greenhouse gases are "air pollutants" - meaning that the EPA has the authority and responsibility to regulate them under the US Clean Air Act....