Guardian: The oceans are changing faster today and in more ways than at any time in human history. We are the cause. Which is why I welcome the launch of the Global Ocean Commission, dedicated to ending the neglect, in international affairs, of the high seas. These seas lie far beyond the horizon 200 nautical miles offshore to be precise and begin where sovereign national waters give way to the global commons, owned by none, shared by all.
There was a time when foreign travel gave many people a familiarity...