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

	Natural Environment
	2012	2013	2014	2015	2016	2017	2018	2019	2020	2021
Weather
Air
Ocean / Sea
Land
Plants / Kelp
Surface Waters / Wetlands
Marine Mammals
Birds
Land Mammals
Microbes
Atmosphere
	Unusual or Unexpected Event
	2012	2013	2014	2015	2016	2017	2018	2019	2020	2021
Ice / Snow Change
Extreme Temperature
Extreme Precipitation
Seasonal Timing
Death / Die-off / Decline
Flooding / Draining
Rain on Snow
Drought
Extreme Wind
Cyclone / Hurricane
Permafrost Change
Landslide / Avalanche
	Impact on Human Environment
	2012	2013	2014	2015	2016	2017	2018	2019	2020	2021
Transportation
Buildings
Human Health
Sanitation
Energy
Livestock
Pets
Agriculture
Economic Impact
Sports / Recreation