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• Topic Timeline (Yearly)

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