Thursday, May 24, 2007

What global warming effects are expected for the future?

To predict the future global warming effects, several greenhouse gas emission scenarios were developed and fed into computer models.

They project for the next century that, without specific policy changes:

global mean temperature should increase by between 1.4 and 5.8°C (2.5 to 10°F).
the Northern Hemisphere cover should decrease further, but the Antarctic ice sheet should increase.
the sea level should rise by between 9 and 88 cm (3.5" to 35").
other changes should occur, including an increase in some extreme weather events.

After 2100, human induced global warming effects is projected to persist for many centuries.
The sea level should continue rising for thousands of years after the climate has been stabilized.

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