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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
Microbes
Surface Waters / Wetlands
Air
Birds
Fish
Ocean / Sea
Reptiles
Weather
	Impact on Human Environment
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Human Health
Agriculture
Sanitation