Coral bleaching could hit three quarters of world's reefs

The majority of coral reefs could be experiencing mass bleaching events by 2045, says an international team of scientists.

Microscopic creature stabilizes vulnerable islands

While sea level rises caused by global warming threaten islands, a tiny marine creature appears to be riding to the rescue, spreading rapidly through the oceans and stabilizing coastlines.

El-Nino events are difficult to predict

New data from taken from coral records suggests that future El Nino events will be 'unpredictable'.

Deepest coral found off Great Barrier Reef

Scientists from the Catlin Seaview Survey say they've discovered the Great Barrier Reef's deepest corals, over 400 feet beneath the waves.

Great Barrier Reef loses half its coral

More than half the coral in Australia's Great Barrier Reef has disappeared since 1985, due to storm damage, crown of thorns starfish and bleaching.

Volcanoes replenish Great Barrier Reef

With concern mounting about the future of the Great Barrier Reef, scientists have discovered a natural mechanism that could help save it: volcanoes.

Ice sheet collapse led to dramatic sea level rise

Scientists studying coral off the coast of Tahiti have linked a collapse of the world's ice sheets 14,600 years ago to a sudden 14-meter rise in global sea-levels.

Ocean acidification worst for 300 million years

The world's oceans appear to be acidifying faster than at any time in the last 300 million years, and sea life may well be unable to adapt.

Scientists warn over ocean acidity

Manmade CO2 emissions over the last 100 to 200 years have already raised ocean acidity way beyond its normal natural range, says an international team of scientists.

North Atlantic ocean currents changed in the 1970s

An examination of deep sea corals has revealed drastic changes to ocean currents in the western North Atlantic since the 1970s.

Asia's corals in massive die-back

The worst coral die-off in ten years - possibly ever - has struck across the Southeast Asian and Indian Oceans.