I'm unemployed <a href=" http://jillianreilly.com/pmr-essay-speech/ ">auburn university thesis</a> Sea levels could rise by 3 meters (9 feet, 10 inches) under some scenarios by 2300 as ice melted and heat made water in the deep oceans expand, it said. About 15 to 40 percent of emitted carbon dioxide would stay in the atmosphere for more than 1,000 years.