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

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