Hi Renaud, The article itself does not seem to say that using SAI can "reduce greenhouse gas emissions", just the abstract in the email, and the abstract is not part of the article.
Paul On Fri, 5 Jul 2024 at 15:00, Renaud de RICHTER <[email protected]> wrote: > "... 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 > <https://groups.google.com/d/msgid/geoengineering/CAHodn9_O3w4eLWS5s3j0wg%3D%3DcAhFG5UtN-aBwJ-Or1b6DS_h5g%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/CAMJKaZzxywOqE_FrQbufWsRQNo0KTEBjR3yHXBSAEqEPAR3wBw%40mail.gmail.com.
