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