UN Secretary-General Ban Ki-moon (C) speaks to UNFCCC Executive Secretary Yvo de Boer as Polish President Lech Kaczynski (R) gestures during the UN climate change conference in Poznan December 11, 2008. The United Nations softened its tone on the outcome of the marathon Poznan climate talks on Thursday with the UN chief and his top climate official saying that the meeting won't come to final decisions on any major issues on fighting climate change. [Xinhua/Reuters]