The indicator measures to which extent the states ensure the timely and effective enforcement of decisions in environmental matters taken by courts of law and by administrative and other relevant bodies.

This indicator is an arithmetic average of expert answers to questions on a scale from 0 (worst) to 3 (best): (22.1) To what extent does the law provide for the effective enforcement of criminal court decisions relating to the environment?; (22.2) To what extent does the law require the enforcement of criminal court decisions relating to the environment to be timely?; (22.3) To what extent does the law provide for the effective enforcement of civil court decisions relating to the environment?; (22.4) To what extent does the law require the enforcement of civil court decisions relating to the environment to be timely?; (22.5) To what extent does the law provide for effective enforcement of decisions relating to the environment taken by administrative and other relevant bodies?; (22.6) To what extent does the law ensure the enforcement of administrative decisions relating to the environment will be timely?