‘We have a long way to go’: Plans, frustration at UN climate talks

Secretary-General Antonio Guterres addresses the Climate Summit in the United Nations General Assembly at U.N. headquarters, Monday, Sept. 23, 2019. (AP Photo/Jason DeCrow)

UNITED NATIONS — Scolded for doing little, leader after leader promised the United Nations on Monday to do more to prevent a warming world from reaching even more dangerous levels.