How to feed a world of nine billion people? Simon Parkes reports from the City Food Lecture where Sir David King spells out his vision for how we can meet that challenge. Show more
Discover 11,128,835 listings and 278,311 playable programmes from the BBC
How to feed a world of nine billion people? Simon Parkes reports from the City Food Lecture where Sir David King spells out his vision for how we can meet that challenge. Show more