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• Topic Timeline (Yearly)

	Natural Environment
	2010	2011	2012	2013	2014	2015	2016	2017	2018
Surface Waters / Wetlands
Weather
Land
Ocean / Sea
Fish
Air
Plants / Kelp
Microbes
Insects
Invertebrates
Land Mammals
Birds
Amphibians
Marine Mammals
Reptiles
Arachnids
	Unusual or Unexpected Event
	2010	2011	2012	2013	2014	2015	2016	2017	2018
Ice / Snow Change
Seasonal Timing
Permafrost Change
Glacier Change
Erosion
Flooding / Draining
Parasite
Unusual Range / Sighting
Rain on Snow
Death / Die-off / Decline
Extreme Temperature
Algal Bloom
Pollution
Drought
Physical or Chemical Change
	Impact on Human Environment
	2010	2011	2012	2013	2014	2015	2016	2017	2018
Human Health
Buildings
Sanitation
Transportation
Energy
Livestock
Agriculture
Water Security
Food Security
Cultural Impact
Fisheries
Pets
Sports / Recreation
Economic Impact