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

	Natural Environment
	2010	2011	2012	2013	2014	2015	2016	2017	2018	2019
Weather
Ocean / Sea
Land
Fish
Surface Waters / Wetlands
Plants / Kelp
Air
Invertebrates
Microbes
Land Mammals
Insects
Birds
Marine Mammals
Reptiles
Fungi
	Unusual or Unexpected Event
	2010	2011	2012	2013	2014	2015	2016	2017	2018	2019
Extreme Temperature
Seasonal Timing
Ice / Snow Change
Death / Die-off / Decline
Unusual Size / Abundance
Extreme Precipitation
Erosion
Unusual Range / Sighting
Algal Bloom
Flooding / Draining
Drought
Pollution
Infestation
Landslide / Avalanche
Extreme Wind
Rain on Snow
Permafrost Change
Deformity / Disease / Injury
Cyclone / Hurricane
Fire
Earthquake
Pathogen
Sea/Land Level Change
Unusual Animal Behavior
Thunderstorm
Parasite
Storm Surge
Tsunami
	Impact on Human Environment
	2010	2011	2012	2013	2014	2015	2016	2017	2018	2019
Economic Impact
Food Security
Sports / Recreation
Buildings
Transportation
Human Health
Cultural Impact
Energy
Water Security
Sanitation
Agriculture
Aquaculture
Pets
Air Quality
Livestock
Fisheries
Harvest Change
Displacement
Radiation