Remote islands in the Indian Ocean are now strewn with plastic waste – the origin of this waste has until now not been established.
Rats are disrupting the flow of nutrients towards the sea on many tropical islands – this has consequences for fish behaviour and the wider ecosystem.
As they negotiate with Mauritius, British leaders are mostly interested in securing guarantees that America’s military interests will not be harmed by a transfer of authority to Port Louis.
Mayotte is no exception to the adage “small islands, big problems”. A newly born volcano combined with poor land management and accelerating climate change has put its fabled lagoon at risk.
As the dead whales decompose, an astonishing and rare chain of events is likely to flow through the marine ecosystem – ultimately leading to an explosion of activity and new life.
The trend globally is for countries to be explicit about their maritime interests, underpinned by a sound security strategy.
The work of the authors reveals a world that is outward-looking, full of movement, border-crossing and south-south interconnection.
Southern Africa’s current above-average rainfall is a climate variability signal - a short-term fluctuation in average wet-season conditions.
To a group of hungry killer whales, a longline fishing boat looks like an all-you-can-eat buffet.
Sardines from the cold waters off South Africa’s Atlantic coast are attracted to cold water upwelling in the Indian Ocean. When the upwelling ends, they are trapped in water that is too warm for them.
Out of the last six years in Madagascar, five years have had poor or very bad rainy seasons.
How colonial Customs protocols shaped copyright and censorship.
Land-falling tropical cyclones are rare in Tanzania so past events are outside the memory of most.
Scientists watched in real time as rising ocean heat transformed the sprawling reef. It was a harbinger for ecosystems everywhere as the planet warms.
Oceans 21 is a Conversation international series examining the history and future of the world’s ocean.
Marine wildlife rarely remain in one habitat. Most species rely on a healthy network of ecosystems to raise their young and catch their food.
After the oil spill, the usual sight of families strolling by the sea was quickly replaced by volunteers working hard in a concerted effort to protect their coast.
Between 1986 and 2016, Kenya lost about 21 of its seagrasses.
The Indian Ocean provides a new way of looking at world history that has been dominated by European accounts.
Unless we know what is in the ocean, we can’t protect the biggest part of the planet.