Prefab thatch wall panels (built indoors during the off season) and materials palette which the Treehugger writer calls ‘almost edible’.
“John French, CEO of the university’s Adapt Low Carbon Group and project director, … was eager that the next generation of buildings at UEA should move away from high thermal mass and a dependence on carbon-intensive concrete, towards natural and locally sourced materials.”
“The building also features a wide array of other sustainable materials including recycled timber finishes, wood wool acoustic boards, spray-on cellulose, and wall coverings made from hemp, nettle fabric and reeds”
More at:
http://passivehouseplus.ie/magazine/new-build/is-this-the-uk-s-greenest-building.html