This seems odd: CO2 will allegedly lead to our starvation, but our rising obesity is also causing higher CO2 emissions

Chicago Tribune - Allstate: Obese hurting fuel efficiency

more gas is likely to get guzzled as people are getting heavier. Currently, more than a third of adults are obese, but the obesity rate is expected to reach 44 percent by 2030, according to a study last month by the Trust for America's Health & the Robert Wood Johnson Foundation.