U.S. Environmental Protection Agency.
Available online.
"The EPA 2008 ROE is an update of the draft ROE that was released in 2003 and it builds on the foundation of that draft report." In addition to national scale indicators, the ROE also provides data broken out by EPA Regions. Indicators presented include air pollutant emissions and concentrations, acid deposition, drinking water quality, land use patterns, population, fertilizer use, cardiovascular and pulmonary disease, forestland, fish populations, carbon storage, temperature and precipitation, and more.
A link will be maintained on this library Web page.