The true cost of farming?

When you're deciding what to have for dinner tonight, you might like to think about the environmental impact the food you're choosing. It's long been known that vegetarian crops take up less room, and need less energy to grow than meat from farm animals. But which are the worse offenders and what are the numbers involved? Now new research is showing that beef from cows is doing a lot more damage than anything else. Georgia Mills spoke to Ron Milo of the Weizmann Institute of Science to find out more... Like this podcast? Please help us by supporting the Naked Scientists