New Scientist: I HAVE gazed into the future of the tropical oceans, and it's not a reassuring sight.
In Papua New Guinea, the Ring of Fire has bestowed a unique gift on science - an underwater vent of pure carbon dioxide.
Normally researchers projecting the effect of rising CO2 must rely on computer models. But here they can observe it for real as the CO2 bubbles dissolve to form carbonic acid, creating on a small scale the conditions expected globally by the end of the century.
At first it is a beguiling...