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	Natural Environment
	2010	2011	2012	2013	2014	2015	2016	2017
Weather
Land
Ocean / Sea
Surface Waters / Wetlands
Air
Plants / Kelp
Atmosphere
	Unusual or Unexpected Event
	2010	2011	2012	2013	2014	2015	2016	2017
Ice / Snow Change
Seasonal Timing
Permafrost Change
Extreme Temperature
Rain on Snow
Extreme Precipitation
Earthquake
Eruption
Landslide / Avalanche
Flooding / Draining
Erosion
Extreme Wind
Unusual Range / Sighting
	Impact on Human Environment
	2010	2011	2012	2013	2014	2015	2016	2017
Transportation
Buildings
Food Security
Human Health
Sanitation
Safety
Economic Impact
Sports / Recreation
Cultural Impact
Energy
Water Security