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	Natural Environment
	2019	2020	2021	2022
Weather
Ocean / Sea
Surface Waters / Wetlands
Land
Land Mammals
Fish
Marine Mammals
Birds
Plants / Kelp
Insects
Invertebrates
Air
Groundwater
Arachnids
Atmosphere
Microbes
Fungi
Reptiles
Amphibians
	Unusual or Unexpected Event
	2019	2020	2021	2022
Extreme Temperature
Unusual Range / Sighting
Death / Die-off / Decline
Ice / Snow Change
Extreme Precipitation
Flooding / Draining
Seasonal Timing
Unusual Size / Abundance
Fire
Unusual Animal Behavior
Landslide / Avalanche
Extreme Wind
Permafrost Change
Deformity / Disease / Injury
Erosion
Pathogen
Drought
Algal Bloom
Pollution
Rain on Snow
Infestation
Storm Surge
Parasite
Glacier Change
Thunderstorm
Debris / Trash
Cyclone / Hurricane
Eruption
Earthquake
Sea/Land Level Change
Sinkhole / Crater
Physical or Chemical Change
Tsunami
	Impact on Human Environment
	2019	2020	2021	2022
Safety
Buildings
Transportation
Human Health
Sports / Recreation
Food Security
Economic Impact
Cultural Impact
Energy
Air Quality
Water Security
Fisheries
Displacement
Pets
Sanitation
Agriculture
Livestock
Harvest Change
Forestry
Aquaculture
Burial Site
Water Management
Communication
TOURISM
Relocation
Radiation
Conflict