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

	Natural Environment
	2012	2013	2014	2015	2016	2017	2018	2019	2020	2021	2022
Ocean / Sea
Weather
Surface Waters / Wetlands
Air
Land
Invertebrates
Birds
	Unusual or Unexpected Event
	2012	2013	2014	2015	2016	2017	2018	2019	2020	2021	2022
Seasonal Timing
Ice / Snow Change
Storm Surge
Flooding / Draining
Extreme Wind
Erosion
Death / Die-off / Decline
Unusual Range / Sighting
Extreme Precipitation
Permafrost Change
Extreme Temperature
	Impact on Human Environment
	2012	2013	2014	2015	2016	2017	2018	2019	2020	2021	2022
Transportation
Buildings
Food Security
Safety
Communication
Energy
Sanitation
Human Health
Displacement
Economic Impact
Cultural Impact
Water Security