"As is the case with any large puzzle with over 1,000 pieces and over 190 players, one needs to start with the edges and work inwards," Jennifer Morgan, of World Resources Institute, said on Monday.
Nations again try to bridge rich-poor climate gap →
"I think there will be expectations from countries to hear a new voice from the United States," said Jennifer Morgan, director of the climate and energy program at the World Resources Institute in Washington.
Will US role at climate talks change after storm? →