GAO: Climate change already costing US billions in losses

WASHINGTON- A federal watchdog says climate change is already costing U.S. taxpayers billions of dollars each year, with those costs expected to rise as devastating storms, floods, wildfires and droughts become more frequent in the coming decades.A Government Accountability Office report released Monday says the federal government has spent about $350 billion over the last decade on disaster assistance programs and losses from flood and crop insurance. That tally does not include the massive to