Business Green: International negotiators and climate change campaigners have joined forces to insist a meaningful deal to curb carbon emissions can still be achieved at UN talks in Copenhagen next year, despite the failure of leaders at last week’s G8 summit to meet demands from developing economies for short-term emissions targets. A flurry of statements released on Friday to coincide with the last day of the G8 summit in L’Aquila, Italy, revealed that despite widespread discontent at the group of …