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	Natural Environment
	2013	2014	2015	2016	2017	2018	2019	2020	2021
Surface Waters / Wetlands
Land
Ocean / Sea
Weather
Air
Invertebrates
Fish
	Unusual or Unexpected Event
	2013	2014	2015	2016	2017	2018	2019	2020	2021
Glacier Change
Ice / Snow Change
Extreme Temperature
Flooding / Draining
Landslide / Avalanche
Permafrost Change
Earthquake
Physical or Chemical Change
Death / Die-off / Decline
Tsunami
Seasonal Timing
	Impact on Human Environment
	2013	2014	2015	2016	2017	2018	2019	2020	2021
Human Health
Sports / Recreation
Buildings
Transportation
Safety
Sanitation
Energy
Livestock
Agriculture
Food Security
Water Security