Reuters: Britain’s goal of cutting emissions of climate warming carbon dioxide by 60 percent by 2050 will be reviewed by the end of the year and may be raised, Environment Secretary Hilary Benn said on Monday. The goal is at the heart of the Climate Change Bill currently going through parliament which is expected to become law within three months. "The scientific evidence has moved rapidly, and as part of a new global climate deal, developed countries may have to cut their …