In future people could be eating meat produced in labs, and farmers could use robots to ensure we all have enough food. Caz Graham asks how to feed the Earth's growing population. Show more
Discover 11,128,835 listings and 280,366 playable programmes from the BBC
In future people could be eating meat produced in labs, and farmers could use robots to ensure we all have enough food. Caz Graham asks how to feed the Earth's growing population. Show more