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

	Natural Environment
	2018	2019	2020
Weather
Air
Microbes
Ocean / Sea
Surface Waters / Wetlands
	Unusual or Unexpected Event
	2018	2019	2020
Extreme Temperature
Seasonal Timing
	Impact on Human Environment
	2018	2019	2020
Human Health
Sanitation
Energy
Sports / Recreation