New in the second edition, under performance efficiency. It describes the state in which the ecosystem and its functions are maintained for present and future generations. The clause is modest and calls the field emerging, but it makes environmental cost a quality property alongside correctness and robustness, and it points to the standards for carbon intensity, life cycle assessment and greenhouse gas reporting.
The graph holds this control, the 0 it maps to, and the evidence behind each claim, over MCP and REST.