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

	Natural Environment
	2016	2017	2018	2019
Land
Weather
Ocean / Sea
Air
Surface Waters / Wetlands
Atmosphere
Plants / Kelp
	Unusual or Unexpected Event
	2016	2017	2018	2019
Eruption
Earthquake
Ice / Snow Change
	Impact on Human Environment
	2016	2017	2018	2019
Transportation
Buildings
Energy
Human Health
Sanitation
Safety
Agriculture