Fourth Door's first Unstructured web-magazine highlights a series of built environment synergies, complementing the concurrent Fourth Door Review 5, it was originally published alongside

Sustainable architecture meets the recording studio - How Real World Studios, Greenpeace and others are opening doors to green recording studios and gigs

Rail Stations meets sustainable design - Cool green stations on the line into Oslo

Sound Design meets transportation furniture  - Ann Karin Rynander's funky Sound Showers revive travellers while they wait at Oslo's Gardermoen Airport.

And Lightness and Industry - Interview with Adriaan Beukers, the Dutch engineer overseeing a revolution in new eco-composite materials