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