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

	Natural Environment
	2010	2011	2012	2013	2014	2015	2016	2017	2018	2019
Surface Waters / Wetlands
Weather
Land
Ocean / Sea
Plants / Kelp
Fish
Microbes
Air
Arachnids
Birds
Amphibians
Fungi
Insects
Land Mammals
Groundwater
	Unusual or Unexpected Event
	2010	2011	2012	2013	2014	2015	2016	2017	2018	2019
Drought
Extreme Temperature
Permafrost Change
Ice / Snow Change
Seasonal Timing
Erosion
Flooding / Draining
Algal Bloom
Extreme Precipitation
Landslide / Avalanche
Fire
Death / Die-off / Decline
Earthquake
Extreme Wind
Deformity / Disease / Injury
Glacier Change
Pollution
Thunderstorm
Sea/Land Level Change
	Impact on Human Environment
	2010	2011	2012	2013	2014	2015	2016	2017	2018	2019
Water Security
Sanitation
Buildings
Human Health
Economic Impact
Food Security
Energy
Cultural Impact
Sports / Recreation
Transportation
Aquaculture
Pets
Agriculture
Livestock
Air Quality