I think that I was slightly naive. I thought that if I showed people the beauty of the Arctic and the beauty of the polar bears that they would care so much that they would stand up and try to make a change.

If you want to swim across the English Channel from England to France - you have to leave your doubt on the beach in England.

Of all the creatures in the world that really frighten me - the hyena in Africa, the great white shark - leopard seals are near the top of the list. They're killers. If my team spots one, they'll pull me out of the water.

Going against the tide has never been difficult for me. It wasn't even a conscious decision but the natural consequence of following my own instinct.

The blues is also existential and offers a sense of mature reflection that enabled it to be the leitmotif of modern life.

If we pass on an unsustainable environment to our children we have failed them.

The importance of music extends well beyond its performance.