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