John Sarbanes: “I was proud to sponsor, with a number of my colleagues, the TREES Act, which would plant trees in low-income communities…”

Each of which--each of which--would hamper EPA's ability to regulate air pollution and, unfortunately, continues this Republican agenda of putting Big Oil interests over the interests of the public.

But these are dramatic changes that can bring us to a new place and, I think, have given many people a sense of hope instead of despair in the face of what we are seeing with a warming planet.

It's a national environmental treasure. It's a regional economic engine. It's been one of my top priorities since I've come to Congress.

Congress gave EPA this role more than 50 years ago under the Clean Air Act and reaffirmed that responsibility in 2005 under the Energy Policy Act.