Climate activists play with a giant Globe during an environmentalist march to campaign against global warming, in downtown Warsaw, Poland, Saturday, Nov. 16, 2013. The demonstration coincides with a two-week United Nations conference that is to prepare groundwork for a new climate deal expected in 2015. (AP Photo/Alik Keplicz)WARSAW, Poland (AP) — Hundreds of local weather activists braved cold winds Sunday to march through Warsaw to marketing campaign towards global warming.