Unexpectedly, one of last year’s trends was…mushrooms. Several startups have shown that mycelium is a suitable material for eco-friendly fabrics, fashionable foods and the manufacture of drugs to treat clinical depression. ‘Prototyping Future Cities’ Master’s Programme graduate Anna Budnikova took the mushroom trend one step further by inventing a building material she calls ‘mycokarst’. She tells Success Builder what the difference is between eco- and bio-materials, why to make water from air and design ‘passive homes’, and who urbanists are and how they are changing our cities.