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

	Natural Environment
	2013	2014	2015	2016	2017	2018	2019	2020
Weather
Marine Mammals
Land
Land Mammals
Air
Ocean / Sea
Microbes
Atmosphere
Arachnids
Insects
Surface Waters / Wetlands
	Unusual or Unexpected Event
	2013	2014	2015	2016	2017	2018	2019	2020
Extreme Precipitation
Ice / Snow Change
Death / Die-off / Decline
Landslide / Avalanche
Extreme Temperature
Unusual Animal Behavior
Unusual Size / Abundance
Unusual Range / Sighting
Rain on Snow
Erosion
Flooding / Draining
Permafrost Change
Pollution
Seasonal Timing
	Impact on Human Environment
	2013	2014	2015	2016	2017	2018	2019	2020
Buildings
Human Health
Agriculture
Displacement
Economic Impact
Safety
Transportation