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

	Natural Environment
	2010	2011	2012	2013	2014	2015	2016	2017	2018	2019	2020
Weather
Surface Waters / Wetlands
Ocean / Sea
Land
Air
Plants / Kelp
Birds
Fish
Insects
Invertebrates
Land Mammals
Marine Mammals
Microbes
Arachnids
Atmosphere
	Unusual or Unexpected Event
	2010	2011	2012	2013	2014	2015	2016	2017	2018	2019	2020
Seasonal Timing
Ice / Snow Change
Extreme Temperature
Rain on Snow
Death / Die-off / Decline
Extreme Precipitation
Fire
Extreme Wind
Flooding / Draining
Drought
Unusual Range / Sighting
Permafrost Change
Storm Surge
Infestation
Erosion
Deformity / Disease / Injury
Thunderstorm
Unusual Animal Behavior
Cyclone / Hurricane
Unusual Size / Abundance
Pathogen
Pollution
Glacier Change
	Impact on Human Environment
	2010	2011	2012	2013	2014	2015	2016	2017	2018	2019	2020
Buildings
Human Health
Transportation
Food Security
Sports / Recreation
Economic Impact
Water Security
Cultural Impact
Air Quality
Sanitation
Agriculture
Energy
Safety
Pets
Forestry
Aquaculture
Harvest Change
Displacement
Fisheries