, we took hardtalk to a farm in the north of england, a beautiful sheep and cattle farm run by james rebanksassionately about environmental issues as you do. he cares about the quality of his soil. he cares about building an eco—system on his land, which is good for his animals, but good for wildlife, as well. he says he can achieve all of those things and produce meat efficiently. why do you want to put people like him out of business? well, i've read both ofjames's books, and they're beautifully written, but they contain not a single useful number at all. there's nothing on production, nothing on yields. and i suspect, because he hasn't told us, that his farming is extremely low yielding. if that was the way we were to produce our food, we would need several planets to do it and there'd be no space for wild ecosystems at all. in other words, earth systems would completely collapse. we've been dealing in pictures. we've been looking at things which we think are beautiful, when we should be dealing in numbers. we should be considering what the numbers tell us. and what i'm looking for throug