When used in this title:

1. "Affected local government" shall mean every municipality in which land subject to an environmental easement is located.

2. "Environmental easement" shall mean an interest in real property, created under and subject to the provisions of this title which contains a use restriction and/or a prohibition on the use of land in a manner inconsistent with engineering controls; provided that no such easement shall be acquired or held by the state which is subject to the provisions of article fourteen of the constitution.