NPR News: Former U.S. Science Envoy: The Tone Of Climate Talks Is Now 'Quite Grim'

Former U.S. Science Envoy: The Tone Of Climate Talks Is Now 'Quite Grim'
NPR's Michel Martin talks with Daniel Kammen, former science envoy to the State Department, about the U.N. climate talks being held in Poland.

Đọc tiếp trên NPR
December 10, 2018 at 05:23AM
Environment