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• Topic Timeline (Yearly)

	Natural Environment
	2020
Weather
Plants / Kelp
Land
Ocean / Sea
Surface Waters / Wetlands
Insects
Land Mammals
Marine Mammals
Birds
Fish
Air
Invertebrates
Groundwater
Atmosphere
Arachnids
Amphibians
Fungi
Microbes
	Unusual or Unexpected Event
	2020
Unusual Range / Sighting
Extreme Temperature
Unusual Size / Abundance
Fire
Extreme Precipitation
Pollution
Permafrost Change
Death / Die-off / Decline
Flooding / Draining
Ice / Snow Change
Seasonal Timing
Pathogen
Unusual Animal Behavior
Infestation
Deformity / Disease / Injury
Extreme Wind
Thunderstorm
Landslide / Avalanche
Earthquake
Parasite
Drought
Algal Bloom
Erosion
Glacier Change
Storm Surge
Tsunami
Debris / Trash
Sinkhole / Crater
Rain on Snow
Sea/Land Level Change
	Impact on Human Environment
	2020
Safety
Human Health
Sports / Recreation
Buildings
Air Quality
Food Security
Economic Impact
Water Security
Transportation
Cultural Impact
Fisheries
Forestry
Harvest Change
Energy
Displacement
Agriculture
Pets
Radiation
Aquaculture
Sanitation
Livestock