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• Topic Timeline (Yearly)

	Natural Environment
	2018	2019	2020	2021	2022
Weather
Surface Waters / Wetlands
Ocean / Sea
Land
Land Mammals
Marine Mammals
Fish
Birds
Plants / Kelp
Insects
Invertebrates
Air
Groundwater
Microbes
Arachnids
Atmosphere
Fungi
Reptiles
Amphibians
	Unusual or Unexpected Event
	2018	2019	2020	2021	2022
Extreme Temperature
Ice / Snow Change
Death / Die-off / Decline
Unusual Range / Sighting
Extreme Precipitation
Seasonal Timing
Flooding / Draining
Fire
Unusual Animal Behavior
Unusual Size / Abundance
Extreme Wind
Landslide / Avalanche
Erosion
Deformity / Disease / Injury
Permafrost Change
Drought
Pathogen
Pollution
Infestation
Algal Bloom
Rain on Snow
Parasite
Storm Surge
Thunderstorm
Glacier Change
Cyclone / Hurricane
Earthquake
Eruption
Debris / Trash
Sea/Land Level Change
Sinkhole / Crater
Physical or Chemical Change
Tsunami
	Impact on Human Environment
	2018	2019	2020	2021	2022
Safety
Human Health
Buildings
Transportation
Sports / Recreation
Food Security
Economic Impact
Cultural Impact
Energy
Water Security
Air Quality
Pets
Fisheries
Displacement
Sanitation
Agriculture
Livestock
Harvest Change
Forestry
Aquaculture
Burial Site
Water Management
Communication
Relocation
Radiation
TOURISM