UCS joins lawsuit challenging Trump admin's climate rule repeal

Today, the Union of Concerned Scientists (UCS) joined a group of environmental, public health and science nonprofits in filing suit against the Trump administration for unlawfully repealing the U.S. Environmental Protection Agency’s (EPA) endangerment finding and rolling back emissions standards for vehicles despite the transportation sector being the largest source of U.S. climate pollution. The 2007 Supreme Court ruling Massachusetts v. Environmental Protection Agency—a court case where UCS was a petitioner—established that heat-trapping emissions are covered by the Clean Air Act. EPA’s 2009 endangerment finding then confirmed that global warming emissions are a threat to public health and the environment, with subsequent court rulings repeatedly reaffirming EPA’s obligation to the public to regulate these harmful emissions. Below is a statement by Dr. Gretchen Goldman, president and CEO of UCS. “EPA’s repeal of the endangerment finding and safeguards to limit vehicle emissions mark