Global surface temperature increased a lot during the 100 years ending in 2005.
"The geographic distribution of surface warming during the 21st century calculated by the HadCM3 climate model if a business as usual scenario is assumed for economic growth and greenhouse gas emissions. In this figure, the globally averaged warming corresponds to 3.0 °C (5.4 °F)."
The increase of the global temperature is expected to the rising from the sea levels, an increase in the intensity of the weather events, glacier retreat, mass species extinctions...
Sources: http://en.wikipedia.org/wiki/Global_warming#Climate_models
http://upload.wikimedia.org/wikipedia/commons/a/ad/Global_Warming_Predictions_Map.jpg
Um comentário:
how do you know this all?
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if you had posted more posts
but no problem this one count like 5
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