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

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