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	Natural Environment
	2020
Weather
Surface Waters / Wetlands
Ocean / Sea
Land
Marine Mammals
Insects
Plants / Kelp
Birds
Fish
Land Mammals
Invertebrates
Air
Atmosphere
Arachnids
	Unusual or Unexpected Event
	2020
Unusual Range / Sighting
Unusual Size / Abundance
Permafrost Change
Flooding / Draining
Extreme Precipitation
Extreme Temperature
Fire
Infestation
Pollution
Death / Die-off / Decline
Thunderstorm
Seasonal Timing
Pathogen
Extreme Wind
Rain on Snow
Ice / Snow Change
Sea/Land Level Change
Deformity / Disease / Injury
Landslide / Avalanche
	Impact on Human Environment
	2020
Buildings
Safety
Sports / Recreation
Fisheries
Human Health
Transportation
Economic Impact
Air Quality
Energy
Water Security
Forestry
Food Security
Sanitation
Cultural Impact
Aquaculture