How did Denmark become a leader in the food waste revolution?
A six-year-old sniffs asparagus suspiciously as his father grapples with a grapefruit and several women admire a selection of cabbages, in search of a bargain. “Everyone pays 20 kroner (about £2) for a reusable bag to fill with whatever they like,” says Bettina Bach, 31, of Bo Welfare, a social housing project in the Danish city…