Nothing is as daunting as the threats associated with global warming. That's the biggie. Everyone bangs on about rising sea levels but the real challenge of a warming planet is ocean acidification. An acid ocean spells the end of life on earth.

It's the pointless things that give your life meaning. Friendship, compassion, art, love. All of them pointless. But they're what keeps life from being meaningless.

Surviving is the strongest memory I have; the sense of having walked on water.

I was in my thirties before I learnt that I too would prefer not to see what I could no longer have

The end of the world begins in the sea we love.

It's funny, but you never really think much about breathing. Until it's all you ever think about.

Past tense offers authority, distance, and present tense offers emotional immediacy.