OCEANS

Conservationists paint a bleak picture for the future of the world famous reef, but a new study suggests all is not lost
Human pressure is adding significant plastic pollution to the Mediterranean Sea, with total estimates ranging from 1,000 to 3,000 tons

Vanishing coast

Trinidad and Tobago is losing its coastline, a problem for an island nation where 70 per cent of the population lives near the edge

New land ahoy

A recent volcanic eruption in Tonga caused a new island to emerge from the sea. But how unique an event is this? And will it last?
Increasingly warm ocean temperatures are leading to coral bleaching on a global scale for only the third time in recorded history, and for the first time not during an El Niño period

Whale tales

As the Natural History Museum’s diplodocus cast skeleton makes way for a blue whale skeleton in 2017, Geographical looks at the ‘emperor of the seas’
Marine organisms that cost the maritime industry $22billion a year are set to change if ocean acidification continues
China’s fish farms provide three-quarters of the country’s fish, but the industry’s reliance on fishmeal from wild-caught fish is unsustainable
When an explorer discovers an uncharted land, there’s an expectation that wherever the explorer ventures next, the last discovery will stay where it was found. This isn’t always the case
On average two tsunamis happen somewhere in the world each year, Geographical looks at the culture and science behind the ‘harbour wave’
A new report into sea level rises claims that by 2050, regular flooding will threaten most US coastal areas
Atmospheric greenhouses gases have been the focus for fears over changes to the Earth’s climate. But research from Rutgers University suggests that the oceans equal the atmosphere for importance in regulating the planet’s temperature

Tsunami secure

Twenty-five minutes isn’t long to find shelter from a tsunami, but that’s how long Washington state residents living in coastal areas would have if a major earthquake hit the Cascasia Subduction Zone
The latest international attempt to protect one million square kilometres of Southern Ocean has failed to reach a consensus

Dead zone in Arabian Sea

A growing ‘dead zone’ in the Arabian Sea has allowed low-oxygen plankton to dominate the base of the marine food chain. The ecosystem change has led scientists to warn that plankton may supplant other food sources local fish rely on
Changes to the distributions of tropical fish species due to ocean warming is leading to overgrazing of kelp forests and seagrass meadows, a new study has found
Biological communities in the North Sea have undergone significant changes since the turn of the millennium, according to long-term studies carried out by a team of German scientists
New study detects tens of kilometres of previously uncharted deep valleys under Greenland ice sheet, suggesting the ice is significantly more vulnerable to warm ocean waters

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DOSSIERS

Like longer reads? Try our in-depth dossiers that provide a comprehensive view of each topic

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