Building and refurbishing buildings through a closed-loop marketplace based on surplus and reusable materials, this is the idea behind Enviromate. Created by Reiss Salustro-Pilson and Nigel Van Wassenhoven in the UK, Enviromate is an online marketplace, a digital platform where people can share, upcycle(1) and reuse building and DIY materials thus effectively reducing the impact of the construction sector. The construction sector is one of the major waste producers at a global level, now producing one third of waste worldwide. And given that the world’s building market is expanding, the leftover problem could get worse and worse. In the UK, 32% of waste landfilled every year comes from the building sector, amounting to 120 million tonnes of waste. Wastage, especially if...