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