The Lorraine Nature Conservancy has been working for 40 years to protect the natural treasures of the region. Thanks to a team of nearly 80 employees and the commitment of numerous volunteers, the CEN Lorraine currently protects almost 400 natural sites. To protect these remarkable natural environments, the Conservancy carries out its mission through 4 key areas: - Know: through scientific expertise, the CEN Lorraine identifies natural environments to protect, develops a management plan that defines the actions to be implemented to ensure the protection of the site and the species living there, and conducts ecological monitoring to assess the relevance of the protection measures undertaken; - Protect: the CEN Lorraine purchases or leases for long periods (up to 99 years) the natural site to be preserved in order to ensure long-term protection. In parallel, the Conservancy works with many stakeholders in the region (farmers, municipalities, associations, etc.) to ensure reasoned protection on the scale of the site's perimeter; - Manage: following scientific studies comes action: clearing vegetation, reintroducing grazing, digging ponds, etc. are actions implemented by the CEN…