Neal Stephenson: Termination Shock
Long Now
00:00
Solar Geo Engineering
Sulphates have remarkable leverage against global temperatures. The amount of sulphates needed to cool down the earth by one or two s simply isn't that large. It's easy to imagine engineer delivery systems that would duplicate what volcanoes have done many times in the past. High altitude tanker planes, high altitude balloons and big guns have all been mentioned. This kind of thing goes under the name solar geo engineering. But it doesn't get talked about much because it's controversial. Unfortunately, the c o two level in the atmosphere keeps on rising regardless.
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