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