Page 265 - James Rodger Fleming - Fixing the sky

8.2 Shooting dust into the stratosphere to offset global warming, one proposal by the
National Academy of Sciences in its report published in 1992. Nobel laureate Paul J.
Crutzen revived the idea in 2006. (cartoon by john ireland, in geographical
magazine, may 1992)

nitroglycerine (C H N o ), it would generate about 380 pounds of carbon
3
5
9
3
dioxide when fired, so 400 million cannon shots would produce about 76 mil-
lion tons of carbon dioxide. This calculation does not take into account other gas-
eous by-products, such as smoke or nitrous oxide, nor does it consider the carbon
emissions involved in manufacturing or transporting 300,000 cannon barrels,

248 | tHe Climate enGineerS