Basically, the person in the White House should be principled, should have a philosophy about food that relates directly to organic agriculture. I will continue to push for that.

If I weren't involved with food, I'd be working in architecture. Design is that critical to me.

I feel like old age in America is a very sad thing. I have been many different places around the world where getting older is something you look forward to.

I really appreciate the many neighbourhoods of Berkeley. There is still the butcher, the baker and the candlestick maker. And it has the University of California, which is the greatest gift, to my mind, to be close to it. It keeps the place alive.

For every expert that says humans are the cause of 'climate change' there are 10 more who say we aren't.

Viewed from a holistic ecological perspective, some meat - such as conscientiously hunted animals - involves less suffering and environmental damage than arable agriculture, while both of these are significantly less harmful than indiscriminately purchasing meat on the market.

We are on parallel paths with the planet. The wants and needs of marine wildlife are our own: we want connection, companionship, a healthy clean environment.

A Labor prime minister, Julia Gillard, who does believe in climate change, nevertheless advised her predecessor, Kevin Rudd, to abandon his emissions trading scheme.