Am updating this with latest science from a major conference this week in California. — Stephen

Stephen Leahy, International Environmental Journalist

Oceans home to 80% of all life — plankton provide 50 percent of the oxygen we breathe

By Stephen Leahy

DURBAN, South Africa, Dec 3 (IPS)

The world’s oceans are becoming hot, sour and breathless – threatening a vital source of food for a billion people mainly in the developing world experts warned today at a special Oceans Day event at the UN climate negotiation.

Oceans are home 80 percent of all life on the planet and emissions from fossil fuels are turning them increasingly acidic, raising water temperatures and reducing the amount of oxygen in some regions said oceanographer Carol Turley from Plymouth Marine Laboratory in the UK.

“We don’t know what all the consequences will be. We suspect the combination of all three will be far worse than one alone,” Turley told IPS in an interview on the sidelines of climate treaty negotiations known as COP 17.

It…

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