Deutsche Welle: Any new climate deal must be flexible, France and Germany say Rich nations should collectively sign up to carbon emission cuts of up to 40 percent below 1990 levels by 2020, Germany and France told ministers from nations accounting for around 80 percent of global carbon emissions. French Environment Minister Jean-Louis Borloo told the gathering of 17 top greenhouse gas emitters including China, the US, Russia and India that developed nations should aim for cuts of between 25 and 40 …