Articles Tagged "SPICE"

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Lawrence Solomon: Tinkering with climate
Friday, September 23rd 2011, 7:20 PM EDT
Co2sceptic (Site Admin)
Geoengineering would remake the atmosphere with tons of particulates

Man has always wanted to control the weather and master nature. In ancient lore, Odysseus kept four winds in a bag to speed his travels, witches summoned storms to destroy enemies, and high priests, sometimes with the aid of human sacrifice, brought rains to make fields fertile.

In the modern era, scientists took over the task from high priests. The Soviet Union’s scientists wanted to make Siberia bloom by damming the Bering Straits, melting the Arctic, and changing rainfall patterns. Big-thinking U.S. scientists led by Edward Teller, the father of the hydrogen bomb, proposed infusing the atmosphere with metallic “scatterers” to inexpensively control how much solar energy reached Earth — these would be “quite practical methods to reduce or eliminate all climate failures,” their 1997 study explained.

The Teller group feared the coming of an ice age, which they viewed as a certainty. But they also dealt with global warming, recognizing that the growing public alarm would act to spur politicians to fund the climate-control research they relished.
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Howard Nemerov: British Scientists Begin Global Cooling Experiment
Thursday, September 15th 2011, 8:04 AM EDT
Co2sceptic (Site Admin)
Reuters writes:

There will be an unexpected sight high in the skies over the British county of Norfolk next month: a huge balloon attached to the ground by a giant hosepipe.

They plan to create a fake volcano, piping “sulphates and aerosol particles” into the “upper atmosphere, bouncing some of the sun’s energy back into space and thereby cooling the earth.”

There’s one problem: Many scientists have forecast an impending solar minimum lasting decades. Popular Science noted:

Activity in the sun is building toward an expected peak sometime in 2013. Yet, despite a few notable solar flares, things are strangely calm. There are fewer sunspots in this cycle than expected, and they’re fainter than usual, for instance…

Based on these sets of findings, which were presented Tuesday at the annual meeting of the American Astronomical Society’s Solar Physics Division in Las Cruces, N.M., heliophysicists believe the current solar cycle, Cycle 24, could be the last one for a while. The sun might be entering a period of hibernation.

This was previously observed from 1645 to 1715, a period known as the Maunder Minimum in which there were practically no sunspots. The period coincided with part of the “Little Ice Age,” in which average temperatures in the northern hemisphere dropped by 2 to 4 degrees F.
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