The world agreed to protect 30% of the ocean by 2030 – but marine protection can’t be judged by area alone

So far, about 10% of the ocean has formal protection as countries work toward the 30x30 goal, but many areas are still protected on paper only.

By: Kirsten Grorud-Colvert, Oregon State University and Ana K. Spalding, Smithsonian Institution, The Conversation

Outlets: The Conversation

Published: June 16, 2026

Words: 1,156

Last Updated: 1 month, 1 week ago

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By Kirsten Grorud-Colvert, Oregon State University and Ana K. Spalding, Smithsonian Institution

The ocean is home to some of the richest biodiversity on Earth. From coral reefs and mangrove forests to the deep sea, marine ecosystems sustain countless species, support coastal communities, regulate the climate and underpin global food security.

But these systems face growing pressure from overfishing, habitat loss, pollution and climate change.

In response, nations have adopted an ambitious global goal …

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