CNN — Imagine you're eating dinner on a ceramic plate and drinking water from a plastic cup while sitting in a brick house -- a seemingly ordinary scenario except that your plate, cup, and your home ...

Imagine you’re eating dinner on a ceramic plate and drinking water from a plastic cup while sitting in a brick house — a seemingly ordinary scenario except that your plate, cup, and your home are all ...

If you’ve been reading this column for a while, you’ll know that I am fascinated with redefining ‘waste’. From urine-powered fuel cells to thermal insulation made from chicken feathers, I love finding ...