waste recycling(A method of recovering wastes as resources which includes the collection, and often involving the treatment, of waste products for use as a replacement of all or part of the raw material in a manufacturing process)
waste reduction(Practices that reduce the amount of waste generated by a specific source through the redesigning of products or patterns of production or consumption)
waste removal industry(The aggregate of commercial enterprises primarily concerned with eliminating or getting rid of refuse from places of human or animal habitation or of unwanted materials left over from a manufacturing process)