Australia was once a leader in taking global warming seriously. The former PM [Kevin Rudd] called it 'greatest moral challenge of our time'. But in the past couple of years the national consensus has been eroded and Australians are being encouraged by the polluters and their mates in Parliament to forget it was ever mentioned. It's heartbreaking.

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.

Will you look at us by the river! The whole restless mob of us on spread blankets in the dreamy briny sunshine skylarking and chiacking about for one day, one clear, clean, sweet day in a good world in the midst of our living. Yachts run before an unfelt gust with bagnecked pelicans riding above them, the city their twitching backdrop, all blocks and points of mirror light down to the water's edge.

Yet however comforting and peaceful beach-combing is, it ends up like the sea, as disturbing as it is reassuring. In dark moments I believe that walking on a beach at low tide is to be looking for death, or at least anticipating it. You will only find the dead, the spilled and the cast-off. Things torn free of their life or their place.

Surfers are the canaries down the mine. Those of us who surf spend more time than anyone soaking in whatever the sea has become. We're suspended in consequences, you might say.

It's sadness coming on like the old days, the vast seamless hopeless weight of sadness looking for a place to rest.

Humour is God's special gift to humanity. Handy, because it turns out to be necessary.