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

	Natural Environment
	2011	2012	2013	2014	2015	2016	2017	2018	2019	2020	2021
Land
Ocean / Sea
Marine Mammals
Weather
Land Mammals
Surface Waters / Wetlands
Birds
Air
Fish
Plants / Kelp
	Unusual or Unexpected Event
	2011	2012	2013	2014	2015	2016	2017	2018	2019	2020	2021
Ice / Snow Change
Permafrost Change
Glacier Change
Unusual Range / Sighting
Seasonal Timing
Death / Die-off / Decline
Fire
	Impact on Human Environment
	2011	2012	2013	2014	2015	2016	2017	2018	2019	2020	2021
Human Health
Food Security
Sanitation
Energy
Water Security
Air Quality
Buildings
Transportation