There is no threshold level of fine particle pollution below which health risk reductions are not achieved by reduced exposure.

There is no threshold level of fine particle pollution below which health risk reductions are not achieved by reduced exposure.

But I will tell you that I didn't go to Washington to sit around and wait for Congressional action. Never done that before, and don't plan to in the future.

Even if there's controversy, I'm going to make the decision, and people are going to be happy in one instance and unhappy in the next. But that's the job I've been given and the job I'm going to embrace.

Greenhouse gas pollution, through its contribution to global climate change, presents a significant threat to Americans health and to the environment upon which our economy and security depends.

Proponents of efficiency standards argue that they save consumers and businesses money, reduce energy use, and reduce emissions. But families and businesses already understand how energy costs impact their lives and make decisions accordingly.

Critics play a dangerous game when they denounce the science and law EPA has used to defend clean air for more than 40 years. The American people know better.