S013 — Leverage Points: Places to Intervene in a System
Donella Meadows Project (1999)
Open original source — donellameadows.org
systems essay theory_context
Curated public use: Use as conceptual context for C1; no direct cross-domain test is claimed.
Limitation: Source cards are evidence anchors, not proof that a linked claim is settled.
Source note: Canonical framework for ranking intervention leverage in complex systems.