New Scientist: Ocean acidification is set to cost us $1 trillion by 2100 as it eats away at our tropical coral reefs.
That's the warning from a report released today by the United Nations Convention on Biological Diversity, which assesses the economic impacts the problem could have.
The ocean's pH is now 8.0, down from 8.1 in the mid-18th century. Because the pH scale is logarithmic, this change means that, over the past 250 years, the world's oceans have seen a 26 per cent increase in acidity - a result...