Ceres...praised AIG, the world's largest insurer, for becoming the first U.S.-based insurance company to adopt a policy to manage the risks and capture the business opportunities posed by climate change... AIG's new policy comes at a time when U.S. insurers are seeing record increases in insured losses from extreme weather events... Investors have also been asking for insurance companies to improve their corporate governance and disclosure on climate risk. [also refers to Marsh (part of Marsh & McLennan)]