The Ministry of Sustainable Development, Environment, and Fight Against Climate Change (in French: Ministère du Développement durable, de l’Environnement et de la Lutte contre les changements climatiques or MDDELCC) is responsible for environmental policy and land development in the province of Quebec. The ministry is also responsible for implementation of the provincial government's sustainable development plan, of which all provincial government agencies and organizations are party.
The current minister is Isabelle Melançon.