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	Natural Environment
	2021
Ocean / Sea
Weather
Land
Surface Waters / Wetlands
Marine Mammals
Land Mammals
Birds
Fish
Plants / Kelp
Invertebrates
Insects
Atmosphere
Air
Groundwater
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
Extreme Wind
Fire
Algal Bloom
Permafrost Change
Pollution
Unusual Size / Abundance
Rain on Snow
Eruption
Parasite
Infestation
Cyclone / Hurricane
Erosion
Glacier Change
Earthquake
Sea/Land Level Change
Sinkhole / Crater
	Impact on Human Environment
	2021
Safety
Transportation
Buildings
Human Health
Sports / Recreation
Pets
Food Security
Fisheries
Displacement
Economic Impact
Sanitation
Water Security
Livestock
Energy
Air Quality
Agriculture
Cultural Impact
Forestry
Aquaculture
Harvest Change