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

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