1. The Parties shall endeavour to harmonize environmental measures that may directly affect interprovincial mobility and trade, following principles such as those set out in the Statement of Interjurisdictional Cooperation on Environmental Matters (Winnipeg: CCME, 1991) and Rationalizing the Management Regime for the Environment: Purpose, Objectives and Principles
(Winnipeg: CCME, 1994) any other applicable principles established by the Council, and this Agreement.
2. In harmonizing environmental measures, the Parties shall maintain and endeavour to strengthen existing levels of environmental protection. The Parties shall not, through such harmonization, lower the levels of environmental protection.
3. In the event of an inconsistency between Article 405 (Reconciliation) and this Article, this Article prevails to the extent of the inconsistency.