Feeding grain to farm animals wastes more than $1bn a year, data shows

We need to address the huge hidden costs of industrial farming, such as wasted food and calories, as well as the impacts to health and the environment, say campaignersOur habit of feeding human foods , such as grain and soya, to farm animals will cost us $1,323bn (£1bn) a year by 2050 globally, according to environmental campaigners. The hidden costs of the industrial farming system are vast, and urgently need to be brought into clear focus, Peter Stevenson of Compassion in World Farming t