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Federal
Integrated Strategic Tracking and Recruiting Database (iSTAR) Data Inventory
U.S. Environmental Protection Agency —
The Integrated Strategic Tracking and Recruiting Database (iSTAR) Data Inventory contains measured and modeled partnership and contact data. It is comprised of basic... -
Federal
Clean Air Status and Trends Network (CASTNET): Visibility
U.S. Environmental Protection Agency —
Nephelometer data (conforms to IMPROVE network standards) from October 1993 to June 2002. This table is no longer updated. -
Federal
Global Non-CO2 Greenhouse Gas Emission Projections & Mitigation: 2015-2050
U.S. Environmental Protection Agency —
The data in these Appendices to the Global Anthropogenic Emissions of Non-CO2 Greenhouse Gases (1990-2020) report provide historical and projected estimates of... -
Federal
Regional Monitoring of Acidic Lakes and Streams
U.S. Environmental Protection Agency —
This asset provides data on the acid-base status of lakes and streams. Key chemical indicators measured include: sulfate, nitrate, ammonium, chloride, Acid...