Seven alternative bricks made of reclaimed waste and biomaterials

Expanded cork, construction waste and human urine feature in this roundup of brick alternatives, designed to reduce the embodied carbon footprint of the masonry units.
After concrete and steel, brick has become the latest focus for architects, designers and material researchers hoping to slash the emissions associated with building materials.
That's because bricks are generally made from clay – a finite resource that needs to be mined and shipped around the globe – as well as being f