Eco-efficiency was already in use in various ecological studies since beginning of the 1990s (Ehelich, Erlich 1991)
Ecosystem services is a term used to describe ecological processes or functions having monetary or non-monetary value to individuals or society at large.
Environmental Audit – A term used by companies to measure the ecological implications of their operations, particularly concerning pollution, legally as well as ethically.
Environmental Impact Statement is a quantitative and qualitative statement of a broad range of impacts (from ecological to social), whether direct, indirect or cumulative. It is usually a publicly available document prepared by a developer as part of a complete strategic tool for decision-making.