Well, well: the suggestion I wrote about a little while ago – Ken Caldeira’s idea of “scorching the sky” by seeding the upper atmosphere with sulphates – is building up momentum. The idea is to induce an artificial “volcanic winter” in order to counteract global warming, and buy ourselves time in which to change our energy usage habits.
I discovered by chance that another scientist, David Keith, gave a presentation on the topic to TED late last year. TED, or Technology Entertainment Design, is a very respectable and credible conference of designers, technologists, and visionaries. Just the sort of gathering of minds that could give the idea some legs…
The original video can be seen on the TED website here, and since it’s also on YouTube, I can embed it here to save you the click. It’s 16 minutes long, but worth watching:
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