Five ways that the International Seabed Authority can support BBNJ effectiveness

The ocean covers more than 70 per cent of the Earth’s surface. It regulates the climate, supports biodiversity, provides food and sustains the livelihoods of billions of people worldwide. Crucially, if managed sustainably, it also holds vast untapped potential to help humanity thrive, from potentially life-saving marine genetic resources to mineral resources.

The Permanent Representative of Trinidad and Tobago presents credentials to the Secretary-General of the International Seabed Authority

Kingston, 17 December 2025 — Her Excellency Ms. Deborah Thomas-Felix presented her credentials to the Secretary-General of the International Seabed Authority (ISA), Ms. Leticia Carvalho, as Permanent Representative of the Republic of Trinidad and Tobago to the International Seabed Authority during a ceremony held on 17 December 2025 at ISA Headquarters in Kingston, Jamaica.

The Permanent Representative of the Republic of the Philippines presents credentials to the Secretary-General of the International Seabed Authority

New York, 9 December 2025 — H. E. Mr.  Enrique A. Manalo presented his credentials to the Secretary-General of the International Seabed Authority (ISA), Ms. Leticia Carvalho, as the Permanent Representative of the Republic of the Philippines to the International Seabed Authority during a ceremony held on 9 December 2025 at the ISA Liaison Office in New York.

The Permanent Representative of the Republic of France presents credentials to the Secretary-General of the International Seabed Authority

Kingston, 1 December 2025 — Her Excellency Ms. Marianne Ziss presented her credentials to the Secretary-General of the International Seabed Authority, Ms. Leticia Carvalho, as the Permanent Representative of the Republic of France to the International Seabed Authority during a ceremony held on 1 December 2025 at the ISA headquarters in Kingston, Jamaica.

Madam Secretary-General of the International Seabed Authority Calls for Rules for the Deep Seabed at the UN General Assembly

New York, 9 December 2025 – Madam Secretary-General of the International Seabed Authority, Leticia Carvalho, addressed the United Nations General Assembly this week for the first time since taking office. She reported on ISA´s work and outlined the priorities the Authority is taking forward as the custodian of the common heritage of humankind.