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

	Natural Environment
	2011	2012	2013	2014	2015	2016	2017	2018	2019	2020	2021
Weather
Ocean / Sea
Surface Waters / Wetlands
Land
Air
Birds
Land Mammals
Plants / Kelp
Marine Mammals
Fish
Insects
Groundwater
Atmosphere
Arachnids
Amphibians
Fungi
Microbes
Invertebrates
	Unusual or Unexpected Event
	2011	2012	2013	2014	2015	2016	2017	2018	2019	2020	2021
Ice / Snow Change
Seasonal Timing
Extreme Temperature
Rain on Snow
Permafrost Change
Flooding / Draining
Drought
Storm Surge
Extreme Precipitation
Unusual Range / Sighting
Glacier Change
Fire
Extreme Wind
Unusual Animal Behavior
Erosion
Death / Die-off / Decline
Pollution
	Impact on Human Environment
	2011	2012	2013	2014	2015	2016	2017	2018	2019	2020	2021
Transportation
Food Security
Buildings
Human Health
Economic Impact
Sports / Recreation
Safety
Water Security
Cultural Impact
Sanitation
Energy
Harvest Change
Displacement
Agriculture
Livestock
Air Quality
Aquaculture
Fisheries