Reuters: The Group of Eight major economies has agreed to limit the rise in global temperatures to no more than 2 degrees Celsius (3.6 Fahrenheit), Swedish Prime Minister Fredrik Reinfeldt said on Wednesday. "The big achievement from this G8 so far is that the U.S. has come forward and met us on the 2 degrees goal. This is in the final text," he told Reuters. The European Union has previously adopted the goal, which it says will require deep cuts in greenhouse gas …