brad_plumer

Aug 31, 2013 Full story: The Washington Post

Scientists tend to think this is a troubling development. But just how worried should we be, exactly? It's a question marine experts have been racing to get a handle on in recent years.

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LessHypeMoreFact

Toronto, Canada

#1 Aug 31, 2013
"One study published last year in Climatic Change suggested that the loss of mollusks — one of the easier-to-forecast effects of acidification — could cost the world around $100 billion per year by the end of the century. The main variable here is how much China and other fast-growing countries are likely to depend on these species for food in the future."

"Beyond that, though, there’s a fairly wide range of possible impacts: It’s obvious that seafood is hugely important, with fish representing about 6 percent of the protein people eat. And the world’s coral reefs provide another $20 billion to $30 billion in economic value each year — not just by supporting tourism and fisheries, but also by protecting coasts against storms (see chart). There’s certainly potential for costly damage."

We should immediately sequester about 75% of the oceans, including all fish nurseries as 'protected' and limit fishing activity to the remaining areas. We need to do this in order to recover the health of the oceans BEFORE the problems of acidification come home to roost.
SpaceBlues

Houston, TX

#2 Sep 1, 2013
The deniers aka the whitewashers bury this problem in their nagging repeats of climate lies.

From BBC .. the diminishing ice cover in the East Siberian sea is allowing the waters to warm and the methane to leach out. Scientists have found plumes of the gas up to a kilometre in diameter rising from these waters.

They worked out that this would increase climate impacts such as flooding, sea level rise, damage to agriculture and human health to the tune of $60 trillion.

I don't know if they incorporated the costs of ocean acidification.

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