Food waste is increasing: Some estimates suggest consumers worldwide throw out around a quarter of what they buy, even as inflation takes hold in wealthy nations and, worse again, millions of people in elsewhere endure malnutrition or sometimes famine. Consumption of seafood is also on the up, with China and the US seeing between 6% and 10% annual increases in demand in the five years up to 2022, according to Dutch lender Rabobank. But there could be a way to cut food waste while limiting the do