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