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