Contact: Andrea Boyle
University of Delaware
Caption: Joseph Scudlark, assistant director of UD's School of Marine Science and Policy, has gauged the acidity of rain at UD's collection station in Lewes for more than three decades.
Credit: University of Delaware
Usage Restrictions: Image must include credit to University of Delaware.
Related news release: UD's long-term monitoring shows 60 percent reduction in acidity of Delaware rain