What kind of agriculture do we need to feed the world? World leaders have come up with yet another target: halving (not ending) hunger by the year 2015, but is this more likely to be achieved than previous targets? What ab out: animal diseases like BSE, foot and mouth disease and salmonella; declining food variety and quality; and disappearing topsoil, hedgerows and biodiversity in the rural areas? Better access to land and a more equitable income...