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Tilikum, the father of Nakai. © Paul Wigmore

Orca Nakai dies at SeaWorld San Diego

SeaWorld San Diego has announced the death of the orca Nakai. The 20-year-old male orca...
Indo-Pacific bottlenose dolphin © Mike Bossley/WDC

Last captive Indo-Pacific bottlenose dolphin to be freed in South Korea

Bibongi, the last Indo-Pacific bottlenose dolphin held in captivity in South Korea, is to be...
Common bottlenose dolphin

100 bottlenose dolphins hunted in Faroe Islands

This morning, (July 29th), 100 bottlenose dolphins were killed in Skálafjörður on the Faroe Islands. The...

Whales left to die in agony as grenade harpoons fail to explode

Evidence has emerged of grenade-tipped harpoons failing to explode when fired into fin whales by...

New pollution study warns of drastic change to ocean food chain

The latest study into carbon dioxide emissions, and the changes in the world’s oceans that they cause, suggests that pollution could drastically transform the entire ocean food chain.

The ocean absorbs about a third of the carbon dioxide emissions generated by human activity. The result is acidification which, according the study by scientists in the US, affects phytoplankton, the photosynthesizing microbes that live in the upper layers of the world’s oceans and lakes. Phytoplankton are eaten by krill, tiny crustaceans that are, in turn, food for fish, seals, and even whales. If some forms of phytoplankton grow at different rates because they are affected by acidification then this will have a knock on effect for many marine species further up the food chain.

WDC recently attended a meeting on the issue of ocean acidification at the Royal Society in London where the results of the last ten years of the UK and international oceanacidifcation programme were discussed.