COP 23 United Nations Climate Conference In Bonn

BONN, GERMANY - NOVEMBER 06: Climate expert and activist James Hansen and his granddatughter Sophie Kivlehan, who is among 21 young plaintiffs in the federal lawsuit Juliana vs. U.S. Government, speak at a press conference at the COP 23 United Nations Climate Change Conference on November 6, 2017 in Bonn, Germany. The conference brings together 25,000 participants to discuss climate change-related issues and the progress signatory members are making towards fulfilling CO2 and other pollutants reductions. Many signatories of the Paris Agreement are failing to fulfill their commitments towards combating the global temperature rise. (Photo by Sean Gallup/Getty Images)