Our demand for meat, dairy and refined carbohydrates - the world consumes one billion cans or bottles of Coke a day - our demand for these things, not our need, our want - drives us to consume way more calories than are good for us.

1 billion people in the world are chronically hungry. 1 billion people are overweight.

Let me pose you a question. Can farm-raised salmon be organic when its feed has nothing to do with its natural diet, even if the feed itself is supposedly organic, and the fish themselves are packed tightly in pens, swimming in their own filth?

I'll never stop eating animals, I'm sure, but I do think that for the benefit of everyone, the time has come to stop raising them industrially and stop eating them thoughtlessly

Thanks to farm subsidies, the fine collaboration between agribusiness and Congress, soy, corn and cattle became king. And chicken soon joined them on the throne. It was during this period that the cycle of dietary and planetary destruction began, the thing we're only realizing just now.

Vegan or not, gluten-free or not, Erin McKenna's donuts are the best I've had in 20 years, without exception.

We need to demonise soda, the way we've demonised cigarettes.