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