#general called

KATOWICE, Poland | UN chief calls for compromise and sacrifice at climate talks

KATOWICE, Poland — The United Nations secretary-general called on countries to make compromises and sacrifices in talks over tackling global warming, as some observers warned the meeting in Poland could collapse without an agreement on key issues.

Making his second dramatic appeal in the space of 10 days, Antonio Guterres told ministers and senior diplomats from almost 200 countries that they…