Ikea’s big blue buildings have sprouted solar panels and wind turbines. Inside these buildings shelves are stocked with LED lighting and recycled cotton. In this TED Talk Steve Howard tells us “Sustainability has gone from a nice-to-do to a must-do.” Howard, the chief sustainability officer at the furniture mega-store, talks about his quest to sell eco-friendly materials and practices — both internally and to worldwide customers — and lays a challenge for other global giants.

Watch this TED Talk on Sustainability