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	Natural Environment
	2013	2014	2015	2016	2017	2018	2019	2020	2021
Weather
Ocean / Sea
Surface Waters / Wetlands
Plants / Kelp
Land
Fish
Air
Land Mammals
Invertebrates
Birds
Insects
Marine Mammals
Atmosphere
Microbes
Groundwater
Reptiles
Arachnids
Amphibians
Fungi
	Unusual or Unexpected Event
	2013	2014	2015	2016	2017	2018	2019	2020	2021
Extreme Temperature
Ice / Snow Change
Seasonal Timing
Death / Die-off / Decline
Extreme Precipitation
Fire
Unusual Range / Sighting
Drought
Permafrost Change
Flooding / Draining
Extreme Wind
Rain on Snow
Unusual Animal Behavior
Glacier Change
Landslide / Avalanche
Unusual Size / Abundance
Infestation
Algal Bloom
Erosion
Pathogen
Deformity / Disease / Injury
Parasite
Pollution
Storm Surge
Thunderstorm
Physical or Chemical Change
Sea/Land Level Change
Earthquake
	Impact on Human Environment
	2013	2014	2015	2016	2017	2018	2019	2020	2021
Human Health
Sports / Recreation
Food Security
Economic Impact
Transportation
Cultural Impact
Buildings
Safety
Energy
Water Security
Agriculture
Air Quality
Sanitation
Livestock
Displacement
Pets
Harvest Change
Fisheries
Aquaculture
Forestry
Burial Site