Environmental education is a discipline that tries to find new methodologies and tools to advance in the achievement of its goals. The museum education proposed by art museums, because of its specific methods and power of significance, can be a way forward for environmental education that is worth exploring. The theory of meaningful learning can be used by both disciplines to support and achieve more meaningful, and therefore lasting, learning among people. The complementarity and synergy between these disciplines can be established from their points of conceptual coincidence. The main research goals of this article have been two: to study and show the intrinsic complementarity of these disciplines from a conceptual viewpoint, and to show how their combined strength and complementarity can inspire specific educational proposals for the challenges of education in the twenty-first century. For example, those that focus on educating on the complexity of the world. The presentation and discussion of this conceptual framework may suggest educational instructions that move towards the interdisciplinary nature of environmental education, using as an educational resource that which is housed in art museums.