Impact of Climate Change in the U.S.
A new White House report finds every region of the U.S. is experiencing disruptions from climate change. A discussion of how climate change may be already be affecting the nation's water, transportation, eco-systems and human health.
Assistant to the President for Science and Technology and Director of the White House Office of Science and Technology Policy
president and CEO of the Center for American Progress, former chief of staff to President Clinton, and author of "The Power of Progress."
is a member of the Wall Street Journal's editorial board.
Executive Vice President for Corporate Affairs of Public and Environmental Policy for Constellation Energy. He was former chair of the White House Council on Environmental Quality.