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Industrialized countries could use their economic resources to help bring about these changes. They could also make some changes in their own policies. At present, much food is wasted in these countries for political reasons. In Europe and in North America, tons of fruit and dairy products are thrown away every year. Eating habits, too, could be changed in these countries. For example, people often eat foods from distant places instead of local foods. The transportation of the imported foods adds to the global pollution problem. People in industrialized countries also eat a lot of meat, especially beef. In fact, a large percentage of the grain grown in these countries is used for feeding cattle. If people in these countries ate less meat, there would be more grain to feed the hungry people of the world. The ideal agricultural system would be sustainable; that is, its level of productivity could be continued indefinitely and damage to the environment much less. This is a war which must be won because it would have only winners for both farmers and consumers of farm products.