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