This guide presents ENGIE's ecological management framework aimed at enhancing biodiversity and resilience to climate change impacts. It outlines the company's commitment to mitigating its impact on biodiversity since 2010 and emphasizes the importance of ecological connectivity in preserving ecosystems. The document details ENGIE's biodiversity strategy, which includes specific commitments to ecological site management for all industrial activities. It describes the implementation phases of an ecological management plan, which consists of conducting biodiversity diagnoses, identifying issues, formulating long-term objectives, and evaluating the effectiveness of actions taken. The guide also stresses the significance of local species use and the avoidance of invasive species in revegetation efforts. ENGIE's approach integrates biodiversity considerations into its business strategy, aligning with its broader environmental and social responsibilities. The document serves as a resource for understanding the processes and commitments necessary for effective ecological management at ENGIE sites.