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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
Fish
Land
Invertebrates
Plants / Kelp
Surface Waters / Wetlands
Land Mammals
Air
Microbes
Birds
Insects
Marine Mammals
Atmosphere
Arachnids
	Unusual or Unexpected Event
	2011	2012	2013	2014	2015	2016	2017	2018	2019	2020	2021
Death / Die-off / Decline
Extreme Temperature
Unusual Size / Abundance
Extreme Wind
Unusual Range / Sighting
Ice / Snow Change
Seasonal Timing
Flooding / Draining
Sea/Land Level Change
Infestation
Erosion
Extreme Precipitation
Cyclone / Hurricane
Pollution
Permafrost Change
Algal Bloom
Storm Surge
Pathogen
Rain on Snow
Unusual Animal Behavior
Fire
Physical or Chemical Change
Earthquake
Deformity / Disease / Injury
Drought
	Impact on Human Environment
	2011	2012	2013	2014	2015	2016	2017	2018	2019	2020	2021
Economic Impact
Buildings
Food Security
Transportation
Sports / Recreation
Safety
Energy
Cultural Impact
Human Health
Fisheries
Livestock
Pets
Sanitation
Agriculture
Displacement
Water Security
Aquaculture
Air Quality
Harvest Change