Since the middle of the 20th century, more has been learnt about the ocean than during all preceding human history; at the same time, more has been lost.

The concept of 'peak oil' has penetrated the hearts and minds of people concerned about energy for the future. 'Peak fish' occurred around the end of the 1980s.

Why is it that scuba divers and surfers are some of the strongest advocates of ocean conservation? Because they've spent time in and around the ocean, and they've personally seen the beauty, the fragility, and even the degradation of our planet's blue heart.

My parents moved to Florida when I was 12, and my backyard was the Gulf of Mexico.

We woke up some years ago about the consequences of ozone depletion, the hole in the atmosphere. You can't see it. You can't taste it. You can't smell it. But now we do regard that as a key issue. It's a scientific finding.

Everyone has power. But it doesn't help if you don't use it.

We're still under the weight of this impression that the ocean is too big to fail, that the planet is too big to fail.