If we were all to reduce our demands for energy, it would make an enormous amount of difference.

I'm luckier than my grandfather, who didn't move more than five miles from the village in which he was born.

Fundamentally not to waste energy. If we were all to reduce our demands for energy, it would make an enormous amount of difference.

I would love to see a giant squid. Very few people have seen them. And only about half a dozen people have seen one alive.

I'm no longer sceptical. I no longer have any doubt at all. I think climate change is the major challenge facing the world.

We can now destroy or we can cherish-the choice is ours.

I remember when we were in the World Cup in Australia and I had to win the singles against Tony Payne, best of seven legs, to win it. I was 2-0 down but ended up beating him I suffer much less than many of my colleagues. I am perfectly able to go to Australia and film within three hours of arrival.