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

	Natural Environment
	2013	2014	2015	2016	2017	2018
Land
Air
Ocean / Sea
Weather
Surface Waters / Wetlands
Microbes
Plants / Kelp
	Unusual or Unexpected Event
	2013	2014	2015	2016	2017	2018
Ice / Snow Change
Erosion
Seasonal Timing
Death / Die-off / Decline
Extreme Precipitation
Extreme Temperature
Extreme Wind
Landslide / Avalanche
Fire
Permafrost Change
	Impact on Human Environment
	2013	2014	2015	2016	2017	2018
Transportation
Human Health
Buildings
Sanitation
Economic Impact
Air Quality
Cultural Impact
Energy
Sports / Recreation
Agriculture