 CAMP HILL, Pa., April 13, 2021 GLOBE NEWSWIRE -- Harsco Corporation NYSE: HSC, a global market leading provider of environmental solutions for industrial and specialty waste streams, today announces numerous sustainability achievements for its Clean Earth division in 2020. Notably, Clean Earth effectively recycled 94-percent of total waste processed, over 4 million tons, including remediation of 3.27 million tons of contaminated soil. 