In one swoop, Trump kills US greenhouse gas regulations

Exhaust billows out of a car tailpipe on January 2nd, 2008, in San Francisco. | Photo: Getty Images

The Trump administration just eliminated the landmark finding that has underpinned federal regulations on planet-heating pollution since 2009.

For nearly the past two decades, the "endangerment finding" has allowed the Environmental Protection Agency (EPA) to craft rules limiting greenhouse gas emissions under the Clean Air Act. Rather than repealing those rules individually, the Trump...