Sustainability is already the standard for most designers. But developers and corporate clients can’t be faulted for crushing on certification. So why not boost their bragging rights, and hand them the Platinum trophy? Fortunately, there’s a laundry list of manufacturers eager to pump up the panache along with the points. Consider textural wallcoverings handmade from natural grasses or shells, fetching fabrics constructed from PET-derived and bio-based materials, reclaimed walnut or teak tiles, and ceramics incorporating recycled clay.