Scientist: Inject Sulfur into Air to Battle Global Warming

Posted on July 28, 2006 

Scientist: Inject Sulfur into Air to Battle Global Warming

One way to curb global warming is to purposely shoot sulfur into the atmosphere, a scientists suggested today.

The burning of fossil fuels releases carbon dioxide, a greenhouse gas, into the atmosphere. It also releases sulfur that cools the planet by reflecting solar radiation away from Earth.

Injecting sulfur into the second atmospheric layer closest to Earth would reflect more sunlight back to space and offset greenhouse gas warming, according to Nobel laureate Paul Crutzen from the Max Planck Institute for Chemistry in Germany and the Scripps Institution of Oceanography, University of California at San Diego.

When Mount Pinatubo erupted in the Philippines in1991, millions of tons of sulfur was injected into the atmosphere, enhancing reflectivity and cooling the Earth’s surface by an average of 0.9 degrees Fahrenheit in the year following the eruption.

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