"... using SAI as a tool to reduce greenhouse gas emissions" ??? Can some one explain how SAI reduces emissions of CO2, CH4, N2O and fluorocarbons?
Le ven. 5 juil. 2024, 14:30, Geoengineering News < [email protected]> a écrit : > https://www.sciencedirect.com/science/article/abs/pii/B9780443192319000120 > > *Authors* > Muhammad Irfan, Muhammad Ali Musarat, Saba Ayub, Wesam Salah Alaloul > > *28 June 2025* > > https://doi.org/10.1016/B978-0-443-19231-9.00012-0 > > *Abstract* > An artificial method of injecting sulfate aerosols into the stratosphere > to reduce greenhouse gas emissions (GHGs) is called stratospheric aerosol > injection (SAI). By releasing sulfates into the atmosphere, volcanic > eruptions naturally disperse sunlight and lower the temperature of the > Earth’s surface. This technique attempts to replicate that process. SAI has > drawn interest as a possible geoengineering technique to mitigate the > effects of climate change. It does, however, present important ethical, > technical, and environmental issues that need to be properly resolved > before deployment is ever discussed. Regional climate alteration, ozone > layer depletion, disruption of precipitation patterns, and negative health > consequences on humans are among the possible dangers linked to solar > radiation exposure. Concerns about consent, equity, governance frameworks, > and unexpected repercussions are all included in the category of ethical > considerations. Moreover, there are unknowns about the best injection > heights and aerosol volume needed for efficient cooling while reducing > additional hazards. To make informed judgments in the future regarding the > sustainability and practicality of using SAI as a tool to reduce greenhouse > gas emissions, it is imperative to have a thorough grasp of these intricate > concerns. Therefore, the current chapter will analyze the concept of SAI > and its anticipated benefits and challenges. > > *Source: ScienceDirect* > > -- > You received this message because you are subscribed to the Google Groups > "geoengineering" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To view this discussion on the web visit > https://groups.google.com/d/msgid/geoengineering/CAHJsh9-RKYP%3Dnak%2BXr97OxZfbw2M4Yb8SCOjLKroEFk_0gmPRA%40mail.gmail.com > <https://groups.google.com/d/msgid/geoengineering/CAHJsh9-RKYP%3Dnak%2BXr97OxZfbw2M4Yb8SCOjLKroEFk_0gmPRA%40mail.gmail.com?utm_medium=email&utm_source=footer> > . > -- You received this message because you are subscribed to the Google Groups "geoengineering" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/geoengineering/CAHodn9_O3w4eLWS5s3j0wg%3D%3DcAhFG5UtN-aBwJ-Or1b6DS_h5g%40mail.gmail.com.
