The US and partner countries were to announce new marine reserves on Monday at the start of a major conference in Chile on protecting the world's oceans. Chile is hosting the Our Ocean conference in the picturesque Pacific port city of Valparaiso, a second annual get-together for states to pledge support for the marine ecosystem. An 875-square-mile area of Lake Michigan in Wisconsin that holds dozens of historic wrecks will be protected, US officials said.–AFP