BBC News – ‘Next Pinatubo’ a test of geoengineering

By Jonathan Amos BBC Science Correspondent, San Jose

The 1991 Mount Pinatubo blast was the biggest on Earth in recent times
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Scientists who study ideas to engineer the climate to mitigate global warming say we should be ready to deploy an armada of instrumentation when Earth has its next major volcanic eruption.

Data gathered in the high atmosphere would be invaluable in determining whether so-called “geoengineering” solutions had any merit at all.

It would have to be an event on the scale of Mount Pinatubo in 1991.

That eruption cooled global temperatures for a couple of years.

It did so by pumping 20 million tonnes of sulphur dioxide high into the sky above the Philippines.

(read more).

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