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

	Natural Environment
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Land
Ocean / Sea
Air
Invertebrates
Microbes
Surface Waters / Wetlands
Weather
	Unusual or Unexpected Event
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Erosion
Glacier Change
	Impact on Human Environment
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Sports / Recreation
Human Health
Buildings
Sanitation
Transportation