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