主播大秀

Could Japan's craving for this fish end up wiping out what is a favourite sushi staple? Ed Butler examines a classic case of overfishing, and asks whether fish farming is the answer.

Dr David Agnew, science and standards director at the Marine Stewardship Council, explains why it's not just this prized melt-in-the-mouth delicacy that is being hunted towards extinction - around 90% of the world's fish stocks of all species are now fully or overfished.

Meanwhile Edwin Lane reports from Japan's Wakayama prefecture where one man is confident he can create a reliable and sustainable bluefin supply.

Also in the programme, is China getting fat? We hear from food tech venture capitalist Matilda Ho, who hopes to meet the bloating appetites of the country's 1.3 billion stomachs, whilst delivering a healthy balanced diet. Is the solution to eat worms?

(Picture: Bluefin tuna; Credit: Kinda University)