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

	Natural Environment
	2012	2013	2014	2015	2016	2017	2018	2019	2020	2021
Weather
Surface Waters / Wetlands
Land
Ocean / Sea
Air
Plants / Kelp
Fish
Invertebrates
Groundwater
Arachnids
Birds
Amphibians
Insects
Land Mammals
Reptiles
Fungi
Microbes
Marine Mammals
	Unusual or Unexpected Event
	2012	2013	2014	2015	2016	2017	2018	2019	2020	2021
Extreme Wind
Ice / Snow Change
Extreme Precipitation
Extreme Temperature
Seasonal Timing
Flooding / Draining
Drought
Storm Surge
Erosion
Permafrost Change
Rain on Snow
Fire
Landslide / Avalanche
Pollution
Death / Die-off / Decline
Unusual Range / Sighting
Cyclone / Hurricane
Glacier Change
Thunderstorm
Unusual Size / Abundance
Pathogen
Sinkhole / Crater
Earthquake
	Impact on Human Environment
	2012	2013	2014	2015	2016	2017	2018	2019	2020	2021
Energy
Buildings
Transportation
Human Health
Economic Impact
Sanitation
Sports / Recreation
Safety
Cultural Impact
Livestock
Pets
Water Security
Agriculture
Food Security
Displacement
Air Quality
Harvest Change