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

	Natural Environment
	2017	2018	2019	2020	2021
Land
Weather
Surface Waters / Wetlands
Plants / Kelp
Ocean / Sea
Air
Land Mammals
Atmosphere
Marine Mammals
	Unusual or Unexpected Event
	2017	2018	2019	2020	2021
Ice / Snow Change
Permafrost Change
Seasonal Timing
Extreme Temperature
Fire
Earthquake
Eruption
Erosion
Landslide / Avalanche
Infestation
Unusual Range / Sighting
	Impact on Human Environment
	2017	2018	2019	2020	2021
Buildings
Human Health
Transportation
Safety
Energy
Sanitation
Agriculture
Air Quality