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