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

	Natural Environment
	2011	2012	2013	2014	2015	2016
Plants / Kelp
Air
	Unusual or Unexpected Event
	2011	2012	2013	2014	2015	2016
Eruption
Fire
Drought
Extreme Wind
	Impact on Human Environment
	2011	2012	2013	2014	2015	2016
Air Quality
Human Health