When three continents witnessed food riots in 2007 and 2008, we saw the international food system is not as stable as it looks. There’s unprecedented competition for food due to population growth and changing diets. Experts predict that by 2050, if things don't change, we will see mass starvation across the world.
In this documentary, George Alagiah travelled the world to unravel the complicated web of links that binds the world's food together, bringing it from farm to table. It reveals a growing global food crisis that could affect the planet in the years ahead. What can we do to avert this?
If you would like to comment on this video or anything else you have seen on Future, head over to our Facebook or Google+ page, or message us on Twitter.