National Science Economy Politics & Government Environment Market Forces May Impact Emissions More Than Climate Agreements 7:59am May 27, 2017 by Christopher Joyce ECONOMY U.S. Politics Science Environment Share URL copied to clipboard! Copyright 2017 NPR. To see more, visit http://www.npr.org/. 300x250 Ad More Weekend Edition Saturday World News Chileans weigh a new constitution by Scott Simon Sports Saturday sports: Serena Williams' dramatic U.S. Open by Tom Goldman 300x250 Ad Support quality journalism, like the story above, with your gift right now. Donate