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	Natural Environment
	2021
Ocean / Sea
Marine Mammals
Weather
Land
Surface Waters / Wetlands
Land Mammals
Birds
Fish
Invertebrates
Air
Plants / Kelp
Groundwater
Atmosphere
Reptiles
	Unusual or Unexpected Event
	2021
Ice / Snow Change
Extreme Temperature
Death / Die-off / Decline
Extreme Precipitation
Unusual Range / Sighting
Unusual Animal Behavior
Landslide / Avalanche
Flooding / Draining
Extreme Wind
Deformity / Disease / Injury
Pathogen
Eruption
Seasonal Timing
Rain on Snow
Algal Bloom
Drought
Unusual Size / Abundance
Pollution
Permafrost Change
Earthquake
Infestation
Fire
Glacier Change
Sinkhole / Crater
Erosion
Parasite
	Impact on Human Environment
	2021
Safety
Transportation
Buildings
Sports / Recreation
Human Health
Food Security
Pets
Livestock
Energy
Economic Impact
Sanitation
Water Security
Displacement
Agriculture
Cultural Impact
Fisheries
Air Quality
Forestry
Aquaculture
Harvest Change