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	Natural Environment
	2020
Weather
Land
Land Mammals
Ocean / Sea
Surface Waters / Wetlands
Marine Mammals
Plants / Kelp
Birds
Fish
Invertebrates
Air
Insects
Microbes
Groundwater
Arachnids
Fungi
Amphibians
Atmosphere
Reptiles
	Unusual or Unexpected Event
	2020
Ice / Snow Change
Extreme Precipitation
Extreme Temperature
Seasonal Timing
Death / Die-off / Decline
Unusual Range / Sighting
Flooding / Draining
Landslide / Avalanche
Pathogen
Unusual Animal Behavior
Rain on Snow
Pollution
Algal Bloom
Permafrost Change
Extreme Wind
Storm Surge
Infestation
Erosion
Deformity / Disease / Injury
Sinkhole / Crater
Fire
Drought
Unusual Size / Abundance
Sea/Land Level Change
Parasite
Earthquake
Glacier Change
	Impact on Human Environment
	2020
Safety
Transportation
Sports / Recreation
Buildings
Human Health
Economic Impact
Cultural Impact
Energy
Food Security
Livestock
Air Quality
Pets
Agriculture
Displacement
Fisheries
Water Security
Sanitation
Harvest Change
Forestry
Burial Site
Aquaculture