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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
Unusual Size / Abundance
Fire
Unusual Animal Behavior
Extreme Wind
Landslide / Avalanche
Erosion
Drought
Permafrost Change
Deformity / Disease / Injury
Pollution
Pathogen
Algal Bloom
Infestation
Storm Surge
Parasite
Rain on Snow
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
Buildings
Safety
Sports / Recreation
Transportation
Food Security
Economic Impact
Cultural Impact
Energy
Water Security
Air Quality
Pets
Fisheries
Sanitation
Displacement
Agriculture
Livestock
Harvest Change
Forestry
Aquaculture
Burial Site
Communication
Water Management
Relocation
Radiation