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Key facts
Understanding climate change - key fact 1
Nov 28, 2010The concentration of 'Kyoto gases' reached 438 ppm CO2-equivalent in 2008.
Understanding climate change - key fact 2
Nov 28, 2010By 2100, the concentration of 'Kyoto gases' is projected to increase to 638-1360 ppm CO2-equivalent.
Understanding climate change - key fact 3
Nov 28, 2010The decade 2000-2009 was the warmest on record. Europe has warmed more than the global average.
Understanding climate change - key fact 4
Nov 28, 2010By 2100, ocean acidity could be higher than during the past 20 million years.
Understanding climate change - key fact 5
Nov 28, 2010The third lowest minimum of Arctic summer sea ice occurred in September 2010.
Understanding climate change - key fact 6
Nov 28, 2010In 2007, the IPCC projected a sea level rise of 0.18 to 0.59 m above the 1990 level by 2100.
Understanding climate change - key fact 7
Nov 28, 2010Recent projections show a maximum increase of sea level of about 1.0 m by 2100, while higher values up to 2.0 m cannot be excluded.
