DOJ sues Minnesota over efforts to regulate greenhouse gas emissions
The U.S. Department of Justice on Monday filed a lawsuit against Minnesota over what it calls "its attempts to regulate global greenhouse gas emissions."
Watch CBS News
The U.S. Department of Justice on Monday filed a lawsuit against Minnesota over what it calls "its attempts to regulate global greenhouse gas emissions."
The Trump administration says greenhouse gases emitted from sources like cars, trucks and power plants will no longer be regulated by the federal government.
This Earth Day, test your environmental knowledge with these questions to see just how much you know.