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

	Natural Environment
	2010	2011	2012	2013	2014	2015	2016	2017	2018	2019	2020
Weather
Land
Surface Waters / Wetlands
Ocean / Sea
Air
Land Mammals
Plants / Kelp
Insects
Groundwater
Microbes
Fish
Reptiles
Birds
	Unusual or Unexpected Event
	2010	2011	2012	2013	2014	2015	2016	2017	2018	2019	2020
Extreme Precipitation
Ice / Snow Change
Flooding / Draining
Seasonal Timing
Extreme Wind
Landslide / Avalanche
Extreme Temperature
Erosion
Rain on Snow
Fire
Storm Surge
Death / Die-off / Decline
Infestation
Unusual Range / Sighting
Thunderstorm
Drought
Sinkhole / Crater
Algal Bloom
Unusual Size / Abundance
Unusual Animal Behavior
Cyclone / Hurricane
	Impact on Human Environment
	2010	2011	2012	2013	2014	2015	2016	2017	2018	2019	2020
Transportation
Buildings
Human Health
Energy
Economic Impact
Sports / Recreation
Safety
Sanitation
Cultural Impact
Livestock
Water Security
Agriculture
Food Security
Pets