Contributor(s): Connie Hedegaard, Heiner Flassbeck, Hilary Benn MP | Climate change is one of the most complex global challenges the world currently faces. Unless dealt with, climate change will potentially have disastrous effects on nature and human societies. It is the aim that a new global agreement shall be concluded at COP15 in Copenhagen in December 2009. Connie Hedegaard will share her observations on the status of the international negotiations and dwell upon hurdles and deadlocks that must be overcome in order to reach agreement.