Covanta Holding Corporation is a holding company. The Company, through its subsidiaries, owns and operates infrastructure for the conversion of waste to energy, as well as other waste disposal and renewable energy production businesses. The Company operates through North America segment, which consists of waste and energy services operations located primarily in the United States and Canada. Outside of North America, the Company is constructing an energy-from-waste (EfW) facility in Dublin, Ireland. The Company holds interests in an EfW facility in Italy and an infrastructure business in China, which is engaged in EfW operations. These EfW projects generate revenue from three main sources: fees charged for operating projects or processing waste received; the sale of electricity and/or steam, and the sale of ferrous and non-ferrous metals that are recovered from the waste stream as part of the EfW process.