London urban farm project claims to be world 's first ever farm in a city . less energy use through transport and distribution , '' claims Smyth . All produce , including fish , meat , vegetables , herbs and salad , is under one roof . Food analysts consider urban farming key steps in sustainable agriculture practices .
London urban farm project claims to be world 's first ever farm in a city . All produce , including fish , meat , vegetables , herbs and salad , is under one roof . Food analysts consider urban farming key steps in sustainable agriculture practices .