material flow management
Environmental ethics, a part of environmental philosophy which argues for the protection of natural entities, informing waste management practices Environmentalism, a philosophy which centers on the protection of the Earth and can be achieved through material flow management Environmental protection, a practice involving the protection of natural environments and taking preventative measures that may include material flow management Material flow accounting, a method of studying the flow of materials and wastes on national or regional scales, with economic factors which lend themselves to material flow management