Reuters: Morality should be a spur for stronger action to fight climate change, which threatens food and water supplies for the poorest in Africa, a group of Christian activists said on Saturday during U.N. climate talks. "We hear about climate change as a political issue, an environmental issue and an economic issue. We want to press the point that this is a moral issue," said Marcia Owens, a minister in the Florida branch of the African Methodist Episcopal Church. She and a group of …