Climate change we can believe in? President Obama assured the world on Thursday that there was still time to bring developing nations on board for greenhouse-gas reduction, after China and India rejected the goal of reducing their emission by half by 2050. In a speech, Obama told emerging economies to “fight the temptation toward cynicism.” "There is no contradiction between environmentally sustainable growth and robust economic growth," he said. "We can either shape our future or we can let events shape it for us." President Obama also announced that "The United States has sometimes fallen short of meeting our responsibilities. Let me be clear, those days are over." The emerging economies are guests at the G-8 summit, and are pushing for full inclusion.