Seafood groups representing a third of the world’s tuna trade as well as major supermarket suppliers are the latest groups to call for a pause on deep-sea mining, after a new study published today showed tropical tuna fishing grounds in the Pacific would overlap with mining plans. A growing list of countries have also called for a halt to deep-sea mining, at a key moment for the fledgling industry as the International Seabed Authority (ISA) meets this week to determine rules for mining – or, potentially, to press pause on the endeavour. “From threats of prey food shortages due to disrupted midwater ecosystems to the potential upheaval of migration patterns caused by mining disturbances, we must navigate this uncertain landscape with caution