A document which (although not legally enforceable) details action and principles for environmental protection and sustainable development agreed at the United Nations Conference on Environment and Development in Rio de Janeiro, June 1992; (also) any similar document containing recommendations for environmental protection.
Origin
1990s.
Definition of Earth Charter in US English:
Earth Charter
noun
A document which (although not legally enforceable) details action and principles for environmental protection and sustainable development agreed at the United Nations Conference on Environment and Development in Rio de Janeiro, June 1992; (also) any similar document containing recommendations for environmental protection.