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

	Natural Environment
	2013	2014	2015	2016	2017	2018	2019
Land
Ocean / Sea
Weather
Air
Surface Waters / Wetlands
Marine Mammals
Land Mammals
Fish
Microbes
Plants / Kelp
	Unusual or Unexpected Event
	2013	2014	2015	2016	2017	2018	2019
Ice / Snow Change
Extreme Temperature
Seasonal Timing
Fire
Erosion
Landslide / Avalanche
Extreme Wind
Debris / Trash
Unusual Size / Abundance
Infestation
Unusual Range / Sighting
Storm Surge
Drought
Flooding / Draining
Death / Die-off / Decline
Extreme Precipitation
Permafrost Change
	Impact on Human Environment
	2013	2014	2015	2016	2017	2018	2019
Transportation
Human Health
Buildings
Economic Impact
Food Security
Sports / Recreation
Sanitation
Cultural Impact
Agriculture
Energy
Air Quality
Safety
Livestock
Water Security