Materials NotplaBiodegradable alternatives to plastic packaging Oxford PVOxford PV’s perovskite technology is a thin film which is applied to conventional silicon solar cells, improving solar gathering efficiency by 30%. Sara KulturhusThis twenty-storey timber building in northern Sweden will be carbon negative within 50 years, setting a new standard for sustainable construction. UBQConverting unsorted household waste into recyclable thermoplastic TerraCycleThe science behind eliminating the idea of waste OceanSafeDesigning sustainable supply chains for fully circular textiles EcoBrixsCollecting and recycling waste plastic into useful products PolymateriaDeveloping a new standard in biodegradable plastic