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