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