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