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