Will British farmers lose out, because the European Union has struck a better trade deal for their farmers with New Zealand? Anna Hill asks an international trade expert. A doom-laden report has been published by the Environment Agency outlining the effect of human life on the global natural environment and the current threat of climate change. We ask what part farmers can play in nature recovery. All week we're taking a closer look at the dairy industry. Today it’s raw milk, which hasn’t been heat-treated to pasteurise it. Presented by Anna Hill and produced by Beatrice Fenton.