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	Natural Environment
	2010	2011	2012	2013	2014	2015	2016	2017	2018	2019	2020
Plants / Kelp
Land
Weather
Insects
Ocean / Sea
Air
Surface Waters / Wetlands
Microbes
Land Mammals
Birds
Fish
Fungi
Invertebrates
Arachnids
Amphibians
Marine Mammals
Reptiles
Groundwater
	Unusual or Unexpected Event
	2010	2011	2012	2013	2014	2015	2016	2017	2018	2019	2020
Seasonal Timing
Extreme Temperature
Ice / Snow Change
Death / Die-off / Decline
Unusual Size / Abundance
Infestation
Unusual Range / Sighting
Fire
Drought
Permafrost Change
Erosion
Deformity / Disease / Injury
Algal Bloom
Storm Surge
Extreme Wind
Extreme Precipitation
Flooding / Draining
Pollution
Unusual Animal Behavior
Rain on Snow
Landslide / Avalanche
Cyclone / Hurricane
Sea/Land Level Change
Pathogen
Thunderstorm
	Impact on Human Environment
	2010	2011	2012	2013	2014	2015	2016	2017	2018	2019	2020
Human Health
Buildings
Sports / Recreation
Economic Impact
Agriculture
Food Security
Cultural Impact
Air Quality
Transportation
Livestock
Harvest Change
Energy
Sanitation
Pets
Forestry
Water Security
Safety
Displacement
Fisheries
Aquaculture