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	Natural Environment
	2021
Land
Surface Waters / Wetlands
Fish
Ocean / Sea
Marine Mammals
Weather
Land Mammals
Groundwater
Birds
Atmosphere
Plants / Kelp
Insects
Arachnids
	Unusual or Unexpected Event
	2021
Extreme Temperature
Death / Die-off / Decline
Drought
Ice / Snow Change
Permafrost Change
Pollution
Flooding / Draining
Unusual Range / Sighting
Glacier Change
Fire
Physical or Chemical Change
Seasonal Timing
Erosion
Pathogen
Tsunami
Algal Bloom
Landslide / Avalanche
Unusual Animal Behavior
Rain on Snow
Extreme Wind
Storm Surge
Debris / Trash
Sea/Land Level Change
Extreme Precipitation
Unusual Size / Abundance
Earthquake
	Impact on Human Environment
	2021
Buildings
Resilience
Food Security
Human Health
Safety
Water Security
Transportation
Cultural Impact
Energy
Displacement
Sanitation
Economic Impact
Fisheries
Livestock
Conflict
Sports / Recreation
Agriculture
Harvest Change
TOURISM
Air Quality
Aquaculture
Forestry