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

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