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

	Natural Environment
	2010	2011	2012	2013	2014	2015	2016	2017	2018	2019
Air
Weather
Land
Ocean / Sea
Plants / Kelp
Surface Waters / Wetlands
Birds
Land Mammals
Fish
Microbes
Invertebrates
Atmosphere
Marine Mammals
Insects
Reptiles
	Unusual or Unexpected Event
	2010	2011	2012	2013	2014	2015	2016	2017	2018	2019
Seasonal Timing
Ice / Snow Change
Extreme Temperature
Fire
Extreme Wind
Death / Die-off / Decline
Glacier Change
Permafrost Change
Eruption
Thunderstorm
Drought
Unusual Size / Abundance
Algal Bloom
Rain on Snow
Earthquake
	Impact on Human Environment
	2010	2011	2012	2013	2014	2015	2016	2017	2018	2019
Human Health
Buildings
Transportation
Agriculture
Energy
Sanitation
Air Quality
Livestock
Food Security
Sports / Recreation
Economic Impact
Pets
Water Security
Cultural Impact
Displacement
Safety