NEW YORK (AFP) – UN chief Ban Ki-moon and the mayor of New York on Tuesday announced plans to launch "Climate Week NYC" on the sidelines of a UN summit in September to galvanize public support for a landmark global warming treaty by year's end. The event, to be held September 21-25, will feature five days of cultural events, workshops, seminars, and other activities organized by non-governmental organizations, businesses, artists, and academia. Ban told a press conference that it would coincide with the summit he is hosting at UN headquarters on September 22 "to mobilize the political momentum needed to...