Moules marinière à la Michelin-starred Raymond Blanc

Let's face it, even if you're Raymond Blanc, buying the right fish these days is not so simple.

And right now many of our traditional favourites, from cod to tuna, are disappearing rapidly from the seas due to overfishing and the effects of climate change. Bottom-trawling boats are sailing farther and fishing deeper than ever before, hauling in hordes of fish with heavy, weighted nets that tear up the ocean bottom. Read more »

Entries at the Milan Sushi Awards earlier in the year (image by Thomas Lu, licensed under Creative Commons Attribution 2.0)

Working at Greenpeace often means that I find myself in some unusual places - inside a nuclear power station, atop an aeroplane or in a palm oil factory. But I certainly never expected to find myself at an international sushi awards ceremony.

Catch them while you can - endangered bluefin tuna © Greenpeace/Gavin Newman

When we said a few weeks ago that customers of the Nobu chain of high-class sushi restaurants wouldn't be aware that the bluefin tuna being served there was endangered, we never thought they would respond to our complaint in quite such a literal manner. But now diners can clearly see which dishes include tuna from endangered stocks because it's written on the menu. As reported in the Sunday Telegraph and as a result of Greenpeace's investigative work and subsequent discussions with Nobu, customers at the up-market eatery will now be able to clearly identify the endangered species on the menu.

The Sunday Telegraph reports this morning that, thanks to Greenpeace investigative work*, we now know that London’s Nobu restaurants, among the capital’s favourite celebrity hangouts, are serving up endangered bluefin tuna as sushi.

We already know that John West's website contains plenty of corporate puffery. After all, this is the company that claims to "only purchase fish which is caught with no harm to the marine environment" but which came a dismal last in our sustainability league table of tinned tuna brands. Yes, John West truly is John Worst on tinned tuna.