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• Summary Stats
• Topic Timeline (Monthly)
• Topic Timeline (Yearly)

	Natural Environment
	2011	2012	2013	2014	2015	2016	2017	2018	2019	2020
Land
Weather
Surface Waters / Wetlands
Ocean / Sea
Plants / Kelp
Birds
Air
Insects
Land Mammals
Fish
Marine Mammals
Microbes
Invertebrates
Groundwater
Reptiles
Arachnids
Amphibians
	Unusual or Unexpected Event
	2011	2012	2013	2014	2015	2016	2017	2018	2019	2020
Permafrost Change
Ice / Snow Change
Erosion
Seasonal Timing
Extreme Temperature
Landslide / Avalanche
Unusual Range / Sighting
Extreme Precipitation
Flooding / Draining
Extreme Wind
Earthquake
Glacier Change
Fire
Unusual Size / Abundance
Sea/Land Level Change
Death / Die-off / Decline
Tsunami
Pollution
Sinkhole / Crater
Infestation
Storm Surge
Cyclone / Hurricane
	Impact on Human Environment
	2011	2012	2013	2014	2015	2016	2017	2018	2019	2020
Buildings
Transportation
Human Health
Sanitation
Sports / Recreation
Cultural Impact
Economic Impact
Safety
Energy
Burial Site
Displacement
Water Security
Agriculture
Harvest Change
Air Quality
Fisheries
Food Security
Forestry
Pets
Livestock