美国“有机山谷”的奶业合作之路
美国奶制品在工厂化农业盛行的今天显现出越来越多的食品安全问题。为了得到安全的牛奶，美国民间进行了积极地探索。周立考察威斯康星州有机山谷奶业合作社，对发展本地安全消费进行了详细调研。
American dairy cooperatives claim to offer path to safer milk
In the US, health concerns about industrialised dairy farming are leading the public to go in search of safer milk. Zhou Li visited Organic Valley, a Wisconsin dairy cooperative that claims to present a safer example of local food provision.
