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