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How Accidental Geoengineering May Be Affecting Climate Change. [Re: rise in sea temperature]
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Sounds like something China can pioneer and that the West will adopt a decade or so later after China shows it really does have no major side effects.
A while back there was a round of interest in the possibility of countering global warming by using specialized high-altitude planes to spray calcium carbonate particulates into the upper atmosphere, and it was calculated that global warming could be countered with an ongoing expenditure of $2 billion per year. That's peanuts for a country like China, so if climate change starts causing them significant identifiable losses I wouldn't be at all surprised if they gave it a go.
It already is, looking at recent flooding.