UN climate leaders scramble after Chile unrest cancels talks

Chile's abrupt decision Wednesday to withdraw as host of the United Nations' top climate conference leaves organizers scrambling for a second time to find a venue for the leading strategy sessions on global warming. The annual U.N. conference has become the go-to place for diplomats and scientists from around the world to discuss how to tackle climate change, from setting rules on greenhouse gas reduction to helping poor countries cope with the effects of extreme weather and sea-level rise. Chilean President Sebastian Pinera expressed "great pain" when he went on television to announce that 13 days of sometimes-deadly street protests and clashes forced the country to call off two major international summits, including the climate meeting scheduled for Dec. 2 to Dec. 13 that was to be a follow-up to the pivotal Paris climate accord in 2016.

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