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• Topic Timeline (Yearly)

	Natural Environment
	2017
Weather
Ocean / Sea
Land
Surface Waters / Wetlands
Land Mammals
Fish
Plants / Kelp
Air
Marine Mammals
Invertebrates
Birds
Insects
Microbes
Arachnids
Fungi
Reptiles
Amphibians
Atmosphere
	Unusual or Unexpected Event
	2017
Ice / Snow Change
Seasonal Timing
Permafrost Change
Parasite
Glacier Change
Unusual Range / Sighting
Extreme Temperature
Pollution
Death / Die-off / Decline
Fire
Extreme Wind
Rain on Snow
Landslide / Avalanche
Unusual Animal Behavior
Erosion
Sinkhole / Crater
Earthquake
Flooding / Draining
Extreme Precipitation
Sea/Land Level Change
Tsunami
Unusual Size / Abundance
Eruption
Pathogen
Deformity / Disease / Injury
	Impact on Human Environment
	2017
Human Health
Buildings
Transportation
Sanitation
Agriculture
Livestock
Energy
Pets
Food Security
Burial Site
Cultural Impact
Sports / Recreation
Water Security
Air Quality
Displacement
Economic Impact
Harvest Change
Forestry
Safety