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