WASHINGTON, Dec. 9 (TNSLrpt) -- The U.S. Department of the Interior's U.S. Geological Survey has released Fact Sheet 2025-3041, titled 'The National Atmospheric Deposition Program,' authored by Ryan C. McCammon, Noel A. Deyette and Greg A. Wetherbee. Issued in March 2025, the fact sheet describes how the National Atmospheric Deposition Program (NADP) tracks air pollution impacts on water supplies and ecosystems across the United States through coordinated long term monitoring.