Scout Centres of Excellence for Nature, Environment, and Sustainability (SCENES) are exceptional places. They are centres that have made a long-term commitment to protect the environment and promote environmental understanding. These guidelines aim to support Scout Centres and their NSOs/NSAs to establish and maintain SCENES. They offer guidance to Scout Centres, on how to become accredited as SCENES and partake in the SCENES network, how to maintain the accreditation by continuously implementing and monitoring practices and principles related to the accreditation. How NSOs and NSA can support Scout Centres in their territory to become SCENES.