Guardian: The deal on climate change seems to be a good one. Although European summits – and this one is no exception – usually end in compromise, with some good bits and some not so good. This deal will allow Europe’s leaders to negotiate with the other big emitters like the US, China and India from a position of leadership. Europe has walked the walk on putting in place policies that will cut emissions. The key part of the agreement is that there will be a robust cap on the quantity of …