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library websites for additional resources during COVID-19.
Areas of Study
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Resources by Topic
Energy & Energy Efficiency
Earth, Climate & Weather
Toxicology & Pollution
Data and Statistics
Food & Agriculture
Additional Research Sources
PA Department of Conservation and Natural Resources: Groundwater
PA Department of Environmental Protection
Includes information on alternate fuels, renewable energy, green buildings, etc.
Pennsylvania Drinking Water Information (EPA)
Pennsylvania Watershed Information (EPA)
Philadelphia Water Department
Obtain information about water quality and watersheds in and around the City of Philadelphia.
USGS Pennsylvania Water Science Center
Data and Statistics >>
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