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