If the policy is well implemented, this can pay economic, social and environmental dividends in the long run. If it is not, then it actually represents a setback from the perspective of both trade and the environment; more is spent to get a lesser environmental result. It is important, then, to use trade-distorting tools of green industrial policy judiciously, and as part of a suite of other less distorting tools aimed at achieving the same effect.17 Trade-distorting tools include local-content requirements, tariff protection and export-linked subsidies.