George Alagiah travels the world to reveal a growing global food crisis. He investigates population growth, climate change, water shortages and what is wrong with people's diets. Show more

George Alagiah travels the world to reveal a growing global food crisis. He discovers how a changing diet in the developing world is putting pressure on the world's food resources. Show more

George Alagiah travels the world in search of solutions to the global food crisis. Here, George investigates the 'land-grabs' trend, where rich countries buy up land in Africa. Show more