http://story.news.yahoo.com/news?tmpl=story&u=/afp/us_weather_climateWASHINGTON (AFP) - A new US supercomputer has shown that global temperatures could be rising more than scientists had thought, experts said.
The computer at the National Center for Atmospheric Research projects that temperatures could rise by 2.6 degrees Celsius (4.7 degrees Fahrenheit) if countries continue to emit large amounts of carbon dioxide.
The previous estimates were a rise of about two degrees Celsius (3.6 degrees Fahrenheit).
Information from the Community Climate System Model, known as CCSM3, will be presented to the Intergovernmental Panel On Climate Change, an international body of experts established by the United Nations (news - web sites) to assess the environmental impact of climate change.

This tabular iceberg which recently broke away from Antarctica, is considered by scientists as an important clue to the rate of global warming. A new US supercomputer has shown that global temperatures could be rising more than scientists had thought, experts said.(AFP/File/Dr Hans Oerter)