But the likely presidential candidate said the U.S. is already reducing emissions.
President Obama's plan to slash emissions from power plants faces numerous obstacles.
The agency is proposing regulations for tile, toilet and sink manufacturers.
“We will close our reservation borders to the Keystone XL,” one official warned.
Republicans are gearing up for a war against the administration’s environmental rules.
The industry warns that looming regulations could suffocate an energy boom.
Fifty-three senators favor additional time for public comment on EPA's power plant regs.
The metric used to put a price tag on regulations has come under GOP fire.
Industry says spending on the program is out of line with Obama's climate policies.
Forthcoming rule could cost the economy $3.4 trillion and millions of jobs, a study finds.
Rep. Mike Kelly briefly compared regulators to terrorists at the Heritage Foundation.
The agency is pulling its final rule, but intends push forward via a more deliberative process.
Senators are bracing for a debate over legislation on the Keystone XL pipeline.
The American Lung Association survey polled both Democrats and Republicans.
Rubio and Murkowski say looming rules would lead to painful fines.
Sen. Jim Inhofe is poised to reclaim chairmanship of the environment committee.
The new standards are scheduled to take effect in less than two months.
The automaker overstated fuel economy standards for its 2014 Mini Coopers, officials say.
The maps at issue appear to show nothing more than the location of U.S. waters.
The report urges greater transparency of cost-benefit studies for environmental regs.
A dozen states argue that the power plant regulation violates the Clean Air Act.
A vote on the GOP-backed House measure is expected Tuesday.
EPA Administrator Gina McCarthy will testify before the Senate Environment and Public Works...
House appropriators approved legislation that would block a host of EPA regulations.