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Greenpeace activists protest in front of the Polish Economy Ministry headquarters building against the World Coal Summit and the United Nations COP19 in Warsaw

Greenpeace activists protest in front of the Polish Economy Ministry headquarters building against the World Coal Summit and the 19th conference of the United Nations Framework Convention on Climate Change (COP19) in Warsaw November 18, 2013. Coal-dependent Poland has angered environmentalists and put the United Nations (U.N.) in a quandary by planning a coal industry summit next week on the sidelines of Nov. 11-22 U.N. talks among 200 nations seeking ways to slow global warming. REUTERS/Adam Stepien/Agencja Gazeta (POLAND - Tags: POLITICS ENVIRONMENT BUSINESS CIVIL UNREST) ATTENTION EDITORS - THIS IMAGE WAS PROVIDED BY A THIRD PARTY. FOR EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNS. THIS PICTURE IS DISTRIBUTED EXACTLY AS RECEIVED BY REUTERS, AS A SERVICE TO CLIENTS. POLAND OUT. NO COMMERCIAL OR EDITORIAL SALES IN POLAND

Green groups walk out of UN climate talks in Warsaw

Six green groups walked out of UN climate negotiations on Thursday, declaring that the ailing talks were "on track to deliver virtually nothing".



"Organizations and movements representing people from every corner of the Earth have decided that the best use of our time is to voluntarily withdraw from the Warsaw climate talks," they said in a statement. (AFP)