Deutsche Presse-Agenture: Negotiators from nearly 200 countries are seeking a new push to combat global warming at a UN climate change conference due to start Monday, overshadowed by the world’s economic downturn and rising greenhouse-gas emissions in rich and emerging nations. The two-week UN climate conference in Poznan, Poland, is meant to put governments on track for a new global deal to save the climate that leaders can approve in Denmark in a year’s time. ‘The need for real progress on tackling …