‘One of the most important talks no one has heard of’: why the high seas treaty matters

The pressure is building around critical negotiations that could, if successful, shield swathes of the world's ocean

Almost two-thirds of the world's ocean lies outside national boundaries. These are the high seas", where fragmented and loosely enforced rules have meant a vast portion of the planet, hundreds of miles from land, is often essentially lawless.

Because of this, the high seas are more susceptible than coastal seas to exploitation. Currently, all countries can navigate, fish (or overfish) and carry out scientific research on the high seas practically at will. Only 1.2% of it is protected, and the increasing reach of fishing and shipping vessels, the threat of deep-sea mining, and new activities, such as bioprospecting" of marine species, mean they are being threatened like never before.