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• Topic Timeline (Yearly)

	Natural Environment
	2010	2011	2012	2013	2014	2015	2016	2017	2018	2019	2020
Land Mammals
Weather
Land
Plants / Kelp
Microbes
Arachnids
Birds
Surface Waters / Wetlands
Fish
Insects
Marine Mammals
Invertebrates
Amphibians
Air
Ocean / Sea
Fungi
Reptiles
Groundwater
	Unusual or Unexpected Event
	2010	2011	2012	2013	2014	2015	2016	2017	2018	2019	2020
Unusual Range / Sighting
Unusual Animal Behavior
Seasonal Timing
Death / Die-off / Decline
Ice / Snow Change
Extreme Temperature
Unusual Size / Abundance
Permafrost Change
Extreme Precipitation
Rain on Snow
Pathogen
Deformity / Disease / Injury
Drought
Flooding / Draining
Landslide / Avalanche
Fire
Algal Bloom
Infestation
Erosion
Pollution
Extreme Wind
Debris / Trash
Storm Surge
Thunderstorm
	Impact on Human Environment
	2010	2011	2012	2013	2014	2015	2016	2017	2018	2019	2020
Human Health
Pets
Livestock
Food Security
Economic Impact
Sports / Recreation
Sanitation
Safety
Buildings
Cultural Impact
Transportation
Agriculture
Displacement
Energy
Fisheries
Aquaculture
Water Security
TOURISM