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• Topic Timeline (Yearly)

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