REUSABLE BAGS AND BOTTLES have become popular expressions of green spirit. Supermarkets both give away and sell them, and customers have eagerly adopted them as sustainable options to plastic.
The problem is they can turn green themselves. Bags, as well as reusable water bottles, can harbor Salmonella and coliform bacteria, including E. coli, if they’re not cleaned on a regular basis, according to a recent study by the University of Arizona and Loma Linda University. Such il