I don't believe we ought to be discriminating against people for their private lives.

Sustainability goes across everything I do with Adidas and everything I do with my own house, so the Olympic kit is no exception. It is incredibly environmental in the way that it is manufactured. For example, there's no leather; it's free from PVC. There's lots of woven materials, which means a lot less waste.

A more robust approach to global warming is needed if we are to avoid catastrophe. Unlike the recent financial crisis, there is no bailout option for the earth's climate.

Now an embryo may seem like some scientific or laboratory term, but in fact the embryo contains the unique information that defines a person. All you add is food and climate control, and some time, and the embryo becomes you or me.

I'd say that animal rights and environmental issues have always been at the forefront of my mind.