Covanta Holding is a holding company. Through its subsidiaries, Co. is engaged in the business of waste and energy services. Co. provides waste and energy solutions through a variety of service offerings, including its main business of owning and operating infrastructure for the conversion of Waste-to-Energy (WtE). WtE facilities produce energy through the combustion of non-hazardous municipal solid waste in power plants. In addition, Co. provides sustainable waste management solutions including on site clean-up services, wastewater treatment, pharmaceutical and healthcare solutions, reverse distribution, transportation and logistics, recycling and depackaging.