Agence France-Presse: World leaders raised a fresh alarm on global warming Monday, urging international action to increase use of clean energy at a four-day forum that opened in the oil-rich emirate of Abu Dhabi. “If we don’t act now, our coral reefs and rainforests will die, desert countries will become unbearably hot and low lying countries like the Maldives, will slip beneath the rising seas,” said the president of the Maldives, Mohammed Nasheed. “Tackling climate change is not like dealing with …