Ducan Kitchen: Vegetarianism is simply a change of habit

We had a talk with Duc Nguyen, Vietnamese vegetarian chef, writer and blogger, on vegetarian eating, the vegetarian cuisine scene in Vietnam, and how this diet has been a tradition for hundreds of years in Asia.

Overfishing: there will no longer be plenty of fish in the sea. What are our alternatives?

The question was simple: which choice will leave more environmental footprint - eating cheese or eating sardines? We'll discuss industrial fishing, "sustainable" fish farming, eating farther down the food chain.