Can replanting coral reefs restore life to the South Pacific?

Nature · Published 1 October 2026 Swipe more like this →

In short: In Fiji, biologists and fishermen are collaborating on a vital mission to regrow coral reefs. This footage explores the delicate requirements for coral to thrive and the broader majesty of the Pacific Ocean.

The video examines efforts in Fiji to boost fish populations by replanting coral reefs, noting that these organisms require sufficient sunlight and space to grow. It places these local efforts within the context of the Pacific Ocean, a vast expanse comprising 99% water. The documentary series, narrated by Benedict Cumberbatch, explores the scale of this ocean, the isolation of its islands, and the histories of the wildlife and humans that have reached these remote lands.

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