 CAMP HILL, Pa., Oct. 18, 2021 GLOBE NEWSWIRE -- Harsco Corporation NYSE: HSC, a global market leader providing environmental solutions for industrial and specialty by-products, announced today that its Harsco Environmental division opened two new SteelPhalt asphalt plants for the first time in sixty years. The new plants, located in Cardiff, Wales, and an additional plant at the existing Rotherham, England, facility, manufacture sustainable asphalt products using 95-percent recycled aggregates. This manufacturing process has a carbon footprint that is 40-percent less than the asphalt manufacturing process that uses natural aggregate. 