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

	Natural Environment
	2013	2014	2015	2016	2017	2018	2019	2020	2021
Land
Surface Waters / Wetlands
Ocean / Sea
Microbes
Weather
Groundwater
Air
Fish
Land Mammals
Plants / Kelp
Atmosphere
Arachnids
Birds
Fungi
Insects
Invertebrates
Marine Mammals
	Unusual or Unexpected Event
	2013	2014	2015	2016	2017	2018	2019	2020	2021
Erosion
Extreme Temperature
Drought
Ice / Snow Change
Pollution
Landslide / Avalanche
Flooding / Draining
Permafrost Change
Extreme Precipitation
Seasonal Timing
Sea/Land Level Change
Fire
Pathogen
Earthquake
Eruption
Debris / Trash
Death / Die-off / Decline
Extreme Wind
	Impact on Human Environment
	2013	2014	2015	2016	2017	2018	2019	2020	2021
Sanitation
Human Health
Buildings
Water Security
Transportation
Energy
Agriculture
Cultural Impact
Displacement
Food Security
Economic Impact
Sports / Recreation
Livestock
Air Quality
Pets
Safety
Harvest Change