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• Summary Stats
• Topic Timeline (Monthly)
• Topic Timeline (Yearly)

	Natural Environment
	2010	2011	2012
Air
Ocean / Sea
Weather
	Unusual or Unexpected Event
	2010	2011	2012
Ice / Snow Change
Seasonal Timing
Extreme Precipitation
	Impact on Human Environment
	2010	2011	2012
Transportation
Buildings
Human Health
Food Security
Safety