Indo-Asian News Service: Just days after the Copenhagen summit, Prime Minister Manmohan Singh on Sunday said any solution to climate change should be “mutually satisfactory”. “An optimal solution to the climatic change challenge is only possible if the world can find ways to reach a mutually satisfactory collective solution,” Manmohan Singh said while addressing the 92nd annual conference of the Indian Economic Association here. Linking it to development, he said: “Issues arising out of climate change …