Nature World: The US economy may not be able to afford global warming if it continues to go unchecked, according to a major new bipartisan report released Tuesday. Among the economic costs climate change is expected to enact on the United States over the next 25 years are: $35 million in annual property losses from hurricanes and other coastal storms, $12 billion a year as a result of heat wave-driven demand for electricity, and tens of billions of dollars from the corn and wheat industry due to a 14 percent...