Agence France-Presse: Battered by the economic headwinds and unable to hammer out a plan to fight global warming, Europe has ruined its ambition to lead the world at upcoming international climate talks in Poznan, Poland. The European Union has fixed an ambitious triple objective for itself to achieve by 2020, the so-called 20-20-20 goals; a 20 percent reduction in greenhouse gas emissions from 1990 levels, bringing renewable energy use up to 20 percent of the total, and an overall cut of 20 percent in …