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