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