Race to Ratify Follows Signing of Landmark Climate Agreement
Men hold a sign reading, "There Is No Planet B", as thousands march through downtown Oslo, Norway, to support action on global climate change, September 21, 2014.
( Ryan Rodrick Beiler / Shutterstock )
( Ryan Rodrick Beiler / Shutterstock )
Produced by Dana Roberson and Thalia Beaty
