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

	Natural Environment
	2010	2011	2012	2013	2014	2015	2016	2017
Surface Waters / Wetlands
Air
Land
Ocean / Sea
Weather
Insects
	Unusual or Unexpected Event
	2010	2011	2012	2013	2014	2015	2016	2017
Unusual Size / Abundance
Erosion
	Impact on Human Environment
	2010	2011	2012	2013	2014	2015	2016	2017
Buildings
Human Health
Sanitation
Transportation