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