Agence France-Presse: France and the United States headed a chorus of alarm on Sunday after a major UN report on climate change warned that the Earth was on track for potentially disastrous global warming. France, which is hosting a UN conference in December 2015 that is supposed to seal cuts in greenhouse-gas emissions, said the report required "immediate, all-round mobilisation." "The message from this report is clear," the foreign ministry and environment ministry said in a joint statement. "The 2015 Paris agreement...