World’s first-ever pact aims to fight threats like climate change, over-fishing and deep-sea mining.

The global High Seas Treaty, decades in the making, will become international law. It aims to create vast maritime conservation areas.

Sixty states have ratified a global treaty to protect the oceans - it will become law in January.

World’s first-ever pact aims to fight threats like climate change, over-fishing and deep-sea mining.

The High Seas Treaty, which aims to 'preserve the marine environment,' has been the subject of two decades of negotiations. Its implementation presents numerous challenges.