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