In 2009, the Environmental Protection Agency formally concluded that greenhouse gases jeopardize public health and welfare. This so-called endangerment finding became the legal foundation for a host of rules combating planet-warming pollution — and a perennial target of conservative efforts to reverse them.
US President Donald Trump
The EPA received more than half a million public comments when it proposed the repeal last year; members of Congress, former EPA employees, scientific bodies, Fortune 500 companies and more weighed in. Many pointed out ...