Agence France-Presse: Pacific island leaders will renew calls for meaningful action on climate change at a regional summit opening in Palau on Tuesday, amid fears rising seas will swamp their low-lying nations. Many of the 15 nations represented at the Pacific Islands Forum (PIF) lie barely a metre (three feet) above sea level, and regard themselves as the frontline of climate change, an issue they say threatens their very existence. While emissions controls and carbon footprints can seem like abstract concepts in the...