Every Thursday, a new episode of Living Planet brings you environment stories from around the world, digging deeper into topics that touch our lives every day. The prize-winning, weekly half-hour radio magazine and podcast is produced by Deutsche Welle, Germany's international broadcaster - visit dw.com/environment for more.
How might Hazelnuts be damaging the planet and its residents? What about sardines? On this edition of Living Planet, we look at the unexpected impact of some foods and what our diets could look like in the future.