Should local governments follow environmental guidelines set by the United Nations?

At the 1992 United Nations Conference on Environment and Development 178 countries voted to adopt Agenda 21. Agenda 21 is non-binding action plan that sets climate sustainability and poverty. guidelines for national, state and local governments. Proponents argue that the agenda’s guidelines will encourage federal and local governments to protect the environment and combat poverty. Opponents argue that global organizations should not make rules for local governments and these rules are unnecessary because they are impossible to enforce.