The guide outlines a comprehensive framework for enhancing sustainability at snow sports events, focusing on 11 key areas with practical initiatives rated by a snowflake system to signify their positive impact. Key areas include energy efficiency, with a target of 100% renewable power; water conservation through innovative practices like rainwater collection; and logistics improvements to reduce greenhouse gas emissions. Transportation and accommodation strategies emphasize sustainable travel options close to venues. Sustainable procurement initiatives encourage the use of environmentally friendly products, while food and catering efforts aim to reduce waste and promote plant-based options. Waste management strategies prioritize reduction and recycling, and biodiversity initiatives focus on protecting natural habitats. Effective communication and community engagement are also highlighted to inspire ongoing climate action. The guide concludes with a checklist for organizers to monitor implementation and identify further opportunities for sustainability.