Ed Markey actually said...

"the United States, as the historically largest contributor to greenhouse gases, ... we have a responsibility to be the leader to reduce the risk to this planet."

"the planet is dangerously warming, and the science is clear."

"human beings are the most significant new contributor to the dangerous warming of the planet, and the science is clear."

"There is no excuse, so just tell us who they are, what their excuses are, and then we will try to reinforce it."