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• Topic Timeline (Yearly)

	Natural Environment
	2010	2011	2012	2013	2014	2015	2016	2017	2018
Weather
Ocean / Sea
Land
Surface Waters / Wetlands
Air
Plants / Kelp
Marine Mammals
Birds
Land Mammals
Fish
Microbes
Invertebrates
Insects
	Unusual or Unexpected Event
	2010	2011	2012	2013	2014	2015	2016	2017	2018
Ice / Snow Change
Seasonal Timing
Permafrost Change
Glacier Change
Rain on Snow
Extreme Temperature
Extreme Precipitation
Flooding / Draining
Pollution
Extreme Wind
Landslide / Avalanche
Death / Die-off / Decline
Unusual Size / Abundance
Unusual Range / Sighting
Drought
Storm Surge
	Impact on Human Environment
	2010	2011	2012	2013	2014	2015	2016	2017	2018
Transportation
Buildings
Human Health
Food Security
Energy
Sanitation
Economic Impact
Sports / Recreation
Agriculture
Livestock
Safety
Water Security
Cultural Impact
Fisheries