A comprehensive review of key climate indicators
confirms the world is warming and the past decade was
the warmest on record. More than 300 scientists from 48
countries analyzed data on 37 climate indicators, including
sea ice, glaciers and air temperatures. A more detailed
review of 10 of these indicators, selected because they
are clearly and directly related to surface temperatures,
all tell the same story: global warming is undeniable
NOAA State of the Climate 2009 highlights
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