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National Park ServiceVisitors on the Earthquake Trail learning about the 1906 Earthquake from a ranger
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Relative global annual avg. temperatures. Red bars indicate temps above & blue bars indicate temps below the 1901-2000 avg. temperature.  

Did You Know?
According to a 2009 report from the National Oceanic and Atmospheric Administration, climate change will likely lead to an increase in extreme weather in the USA. Fortunately, there is still time to limit climate change by reducing emissions of heat-trapping pollution and taking other actions.
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Last Updated: July 25, 2006 at 00:22 EST