Climaxion is the regional programme for the energy transition and the circular economy in the Grand Est region in France. It revolves around four main themes: energy efficient and sustainable buildings, renewable energies, circular economy and resource saving, climate action and sustainable territorial development.

The programme supports companies by providing information, certified experts and funding. Examples of supported actions include: energy audit of buildings, studies to support and implement projects, fundings for renewable energy projects, action programme for waste reduction, circular economy; and training.