Reef & Ocean
Past the reef edge the country is four thousand metres deep.

Past the Reef Edge
The reef flat, the crest and the drop into open ocean — the profile that defines an atoll's edge and why most of the country is vertical water.

The Phoenix Islands Protected Area
One of the largest marine protected areas on earth: what it covers, what it protects, and the trade-off a small economy accepted to create it.

The Lagoon Is a System
Circulation, flushing, sediment and the biology a lagoon supports — and how causeways and settlement change all of it.

Tuna and the Licence Economy
Kiribati's exclusive economic zone is vast and its fishing licence revenue is central to the national budget. How that works, who fishes there, and what the dependency means.

What Bleaching Actually Does
The mechanism of coral bleaching, the difference between bleached and dead, and the consequences for an island whose land is built of reef material.