Telegraph: Ban Ki-moon, the UN secretary-general said leaders at the G8 summit in Italy had not gone far enough in their pledges to limit rises in the world’s temperature. His harsh words came as leaders claimed to have struck a “historic” deal with emerging economies on limiting global warming. The eight rich countries and the Major Economies Forum, a group of 17 other economies including China and India, have now agreed that average global temperatures should not be allowed to rise more …