Agence France-Presse: The environment ministers of leading industrialised and developing nations gathered in Sicily Wednesday for talks on combatting global warming amid growing momentum towards a historic international accord. The three-day talks, which bring together countries responsible for more than 40 percent of the world’s carbon gas emissions, will shine the spotlight on the new US leadership ahead of a forum of 17 major economies in Washington next week. Kicking off on Earth Day, the talks …