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

	Natural Environment
	2011	2012	2013	2014	2015	2016	2017	2018	2019	2020
Weather
Surface Waters / Wetlands
Ocean / Sea
Land
Marine Mammals
Plants / Kelp
Land Mammals
Fish
Invertebrates
Air
Microbes
Groundwater
Birds
	Unusual or Unexpected Event
	2011	2012	2013	2014	2015	2016	2017	2018	2019	2020
Ice / Snow Change
Seasonal Timing
Extreme Temperature
Glacier Change
Extreme Precipitation
Unusual Range / Sighting
Rain on Snow
Permafrost Change
Flooding / Draining
Death / Die-off / Decline
Erosion
Landslide / Avalanche
Pathogen
Pollution
Drought
Fire
Storm Surge
	Impact on Human Environment
	2011	2012	2013	2014	2015	2016	2017	2018	2019	2020
Transportation
Food Security
Human Health
Buildings
Sports / Recreation
Cultural Impact
Energy
Economic Impact
Safety
Air Quality
Agriculture
Water Security
Livestock
Aquaculture
Harvest Change