The high seas are set to gain a greater level of protection when a long-sought after treaty finally enters into force.

For almost 20 years, nations have debated the need for the High Seas Treaty, intended to protect marine life in the high seas and the international seabed. These marine areas together account for nearly two-thirds of the world’s ocean and harbour a rich array of unique species and ecosystems. The treaty is formally known as the Biodiversity Beyond National Jurisdiction Agreement.

Many hoped last week’s United Nations Oceans Conference would result in enough nations ratifying the treaty to bring it into force. As of today, 50 states of the 60 required have done so, while another 19 have promised to do so by the year’s end. A greater level of protection for our high seas is well and truly in sight.

By United Nations standards, this is a cracking pace. The treaty-making process itself can take years, particularly as states need to incorporate the treaty into their domestic laws. This speaks to the urgency of the moment. Researchers and authorities have warned that the world’s oceans are now in deep trouble, threatened by climate change effects, overfishing, plastic pollution and other........

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