NORWELL, Mass.–(BUSINESS WIRE)–Clean Harbors, Inc. (“Clean Harbors”) (NYSE: CLH), the leading provider of environmental and industrial services throughout North America, today announced financial results for the fourth quarter and year ended December 31, 2023. “Our Environmental Services (ES) segment capped a year of record growth with an outstanding fourth quarter,” said Mike Battles, Co-Chief Executive Officer. “Demand for our ES services remained robust, as steady volumes, healthy project