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

	Natural Environment
	2011	2012	2013	2014	2015	2016	2017	2018	2019
Weather
Land
Surface Waters / Wetlands
Plants / Kelp
Air
Ocean / Sea
Insects
Fish
Birds
Land Mammals
Atmosphere
	Unusual or Unexpected Event
	2011	2012	2013	2014	2015	2016	2017	2018	2019
Ice / Snow Change
Extreme Wind
Seasonal Timing
Flooding / Draining
Extreme Precipitation
Extreme Temperature
Permafrost Change
Fire
Landslide / Avalanche
Unusual Size / Abundance
Earthquake
Rain on Snow
Erosion
Storm Surge
Eruption
Pollution
Tsunami
	Impact on Human Environment
	2011	2012	2013	2014	2015	2016	2017	2018	2019
Buildings
Human Health
Transportation
Energy
Sanitation
Cultural Impact
Economic Impact
Agriculture
Food Security
Livestock
Forestry
Safety
Radiation