projections for long-term

not the worst case scenario

AP Science Writer Seth Borenstein – Thu Sep 24, 6:13 pm ET

WASHINGTON – Earth’s temperature is likely to jump nearly 6 degrees between now and the end of the century even if every country cuts greenhouse gas emissions as proposed, according to a United Nations update.

Scientists looked at emission plans from 192 nations and calculated what would happen to global warming. The projections take into account 80 percent pollution cuts from the U.S. and Europe by 2050, which are not sure things.