Lumo employs a comprehensive sustainability approach integrated across its operations and engagement strategies.The business prioritizes sustainable procurement by working with local suppliers such as WATA and Ringtons, evaluating potential partners based on social value and seeking ISO certifications or sustainability policy statements. Lumo uses dedicated tender questions for sustainability assessments and actively explores new local sourcing opportunities for its catering, including a "guest product" initiative. The company ensures a "harm-free" supply chain by selecting fair trade products, partnering with reputable logistics, and adhering to policies against modern slavery and zero-hour contracts. Recycled and recyclable products are prioritized, with examples including bamboo merchandise and reusable office items.Lumo is committed to reducing its environmental footprint. Its operations are fossil fuel-free, with a focus on electricity usage and reducing natural gas consumption in its HQ through electric heating. The company monitors traction and non-traction energy periodically, reporting on Scope 2 emissions with an ambition to include Scope 3 data. Waste management initiatives include collecting and reusing/recycling old uniforms, eliminating single-use plastic bottles from onboard menus in favor of canned water, and separating waste streams both in HQ and on trains. A waste survey has been conducted to inform a future waste strategy.Customer involvement is encouraged through initiatives like separate onboard waste collections for recycling and communicating sustainable menu choices. Lumo also supports decarbonization efforts through partnerships, such as raising funds for Daft as a Brush Cancer Patient Transport to acquire electric vehicles. Educational events, like Edinburgh Cocktail Week, highlight sustainable suppliers and practices.Internally, sustainability is discussed in dedicated meeting structures and communicated through briefing templates, newsletters, and 'Work Well Wednesday' sessions. Employee training includes environmental awareness, and the company maintains a safe working environment through policies and risk assessments. Accessibility is a key consideration, with trains designed to regulatory standards and enhanced with 3D virtual tours for neurodiversity. Lumo also contributes to cultural opportunities through partnerships with organizations like Northern Stage and holds White Ribbon accreditation.