地平线系列：绿色畜牧
DrMichaelMosleyseekstoestablishthetruthaboutmeat.Everyyear,humansraiseandeat65billionanimals-nineanimalsforeverypersonontheglobe.Inthiseye-openingdocumentary,Michaelexaminestheimpactthatthisishavingontheplanetandfindsoutwhatmeateco-friendlycarnivoresshouldbebuying.Isitbettertobuyfree-rangeorganicorfactory-farmedmeat?...
