189 Publish a roadmap towards sustainable maritime interiors (evaluating and incorporating the ideas shared in this report and elsewhere) and seek pledges of support from owners/operators. Conduct a full ship interiors sustainability impact assessment to identify the most problematic products and materials currently in use. Engage with land-based building assessment organisations to establish if they are able and willing to develop a version specific to ships. Poll owners to estimate the size of the opportunity for these organisations. Create a sustainability assessment framework to measure the environmental performance of passenger ship interiors. Create a sustainability requirements model and policy for tender documents that dictate the extent to which design and specification choices should be influenced by environmental performance. Create a sustainability requirements model and policy for shipbuilding and refurbishment tender documents that dictate construction choices. Set reuse goals for designers, outfitters and yards in the brief for refurbishment projects to retain as many products and materials as possible during projects. Ensure that the life expectancy of an interior (before refurbishment or change of use) is provided in the design brief so that designers can prioritise the use of sustainable products and materials that may not last as long as less sustainable options but will last long enough. Set a clear ranking for sustainability within design decision making alongside other factors (e.g. IMO approved, availability, aesthetics, cost, sustainability, manufacturer trust, lifespan, quality, maintenance, etc.). Compile and maintain a list of raw materials that are banned, undesirable or otherwise to be avoided (for sustainability reasons). Provide more time for drydock projects to reduce transportation inefficiencies and to increase opportunities to research more sustainable product and material choices. Explore the viability of establishing a used marketplace for unwanted products and materials that can be refurbished, stored and made available for other ships or land-based venues to use. Build the Green Room, the most sustainable interior lounge (or other) at sea. Employ a suitably qualified design team to make design decisions based on the highest possible environmental criteria and publish a report that justifies every decision and records all available sustainability performance data.