News Summary: UN chief blames rich for warming
HEAT IS ON: Rich countries are to blame for climate change and should take the lead in forging a global climate pact by 2015, the head of the United Nations said Wednesday.
FAIR WEATHER: At the international climate talks in Qatar, U.N. Secretary-General Ban Ki-moon said it was "only fair and reasonable that the developed world should bear most of the responsibility" in fighting the gradual warming of the planet.
CLOUDS ON THE HORIZON: Most of the emissions now come from the developing world. China has overtaken the U.S. to become the world's top carbon polluter.