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