British scientists on the Earth system artificially cooling the Earth's 17 kinds of program evaluation, which is injected into the upper atmosphere billions of tons of sulfur aerosol particles to the idea of the sun obscured most effective.
British East Anglia University of the Earth system (earth systems) scientist Tim Lenton on 17 kinds of its post-graduate program of cooling the Earth for analysis, research findings published in the latest issue of the journal Atmospheric Chemistry and Physics Discussions.
The results of the analysis showed that about half of the methods involve changing the atmosphere and Earth's surface reflectivity (reflectivity), for example, try to man-made pollution or mechanical means to change the clouds, or the use of plastic films, white deposited in the desert, urban roof. The other half way to attempt to change the Earth's carbon cycle (carbon cycle) to absorb carbon dioxide, such as planting forests on the ground, at sea to increase the algae absorb carbon dioxide, or the construction of carbon dioxide from the atmosphere and stored in the ground floor of the machine.
The researchers found that all cooling the Earth's technical proposal, when aerosol particles of sulfur (sulfur aerosols) the idea of the sun obscured most effective. The program recommends that each year injected into the upper atmosphere billions of tons of sulfur aerosol particles or other particles in the atmosphere to achieve better results than reflection reflection of energy back into space more than 1 percent, by 2050 this method years ago, may be on Climate Back to the Industrial Revolution before cooling temperature (pre-industrial temperatures), but this method is also the biggest risk, because of the added need to aerosol particles, if a sudden halt operations, will lead to rapid warming.
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