A farmer at work in California . Transportation not as harmful in food chain as previously thought . Initial production phase `` by far the most important '' in food chain , says FAO . The first step is to produce a variety of crops that can be grown on land with limited water and nutrients. Meat and dairy contribute 50 percent of `` food-related impacts ''
Transportation not as harmful in food chain as previously thought . Initial production phase `` by far the most important '' in food chain , says FAO . The first step is to produce a variety of crops that can be grown on land with limited water and nutrients. Meat and dairy contribute 50 percent of `` food-related impacts ''