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Stratospheric aerosol injection (SAI) is a proposed method of solar geoengineering (or solar radiation modification) to reduce global warming. This would introduce aerosols into the stratosphere to create a cooling effect via global dimming and increased albedo , which occurs naturally from volcanic winter . [ 1 ]
Among the multiple potential approaches, stratospheric aerosol injection (SAI) is the most-studied [1]: 350 , followed by marine cloud brightening (MCB). SRM could be a supplement to climate change mitigation measures, [2] but would not be a substitute for reducing greenhouse gas emissions. SRM methods include mainly atmospheric methods but ...
Among the multiple potential approaches, stratospheric aerosol injection is the most-studied, followed by marine cloud brightening. SRM could be a temporary measure to limit climate-change impacts while greenhouse gas emissions are reduced and carbon dioxide is removed , [ 45 ] but would not be a substitute for reducing emissions.
While these methods were less intrusive and less potentially damaging than stratospheric aerosol injection, they could prove more expensive and too energy-intensive, said Benjamin Sovacool ...
But the method that gets the most attention is called stratospheric aerosol injection. "There's a part of the atmosphere, maybe twice as high as a regular aircraft flies, where particles last for ...
The term refers to activities like stratospheric aerosol injections, an untested theory that the planet could be cooled by spraying particles into the stratosphere from high-altitude aircraft.
Compared with other proposed solar radiation management methods, such as stratospheric aerosols injection, marine cloud brightening may be able to be partially localized in its effects. [15] This could, for example, be used to stabilize the West Antarctic Ice Sheet. Furthermore, marine cloud brightening, as it is currently envisioned, would use ...
John Owen Brennan (born September 22, 1955) [1] [2] is a former American intelligence officer who served as the Director of the Central Intelligence Agency (CIA) from March 2013 to January 2017. He served as chief counterterrorism advisor to U.S. President Barack Obama , with the title Deputy National Security Advisor for Homeland Security and ...