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@MSmith01011 - Mel Smith
@naomirwolf They’ve told us what they’re doing… https://t.co/ZAs0Ys1vFN
Video Transcript AI Summary
Geoengineering technologies, like stratospheric aerosol injection (SAI), have the potential to reverse global climate change. SAI involves releasing particles into the stratosphere to reflect the sun's heat, similar to volcanic eruptions. It could help limit temperature increases and buy time for transitioning to renewable energy. However, SAI alone cannot remove greenhouse gases, so reducing emissions is still necessary. Implementing SAI would pose challenges, including the need for international cooperation and addressing geopolitical concerns. Altering weather patterns and benefiting some regions at the expense of others could lead to opposition. Additionally, the lack of global norms and standards for geoengineering initiatives complicates their deployment and implementation.
Full Transcript
Speaker 0: Another example is the array of technologies often referred to collectively as geoengineering that potentially could help reverse the warming effects of global climate change. One that has gained my personal attention is stratospheric aerosol injection or SAI. A method of seeding the stratosphere with particles that can help reflect the sun's heat in much the same way that volcanic eruptions do. An SAI program could limit global temperature increases reducing some risks associated with higher temperatures and provide The world economy additional time to transition from fossil fuels. This process is also relatively inexpensive.
The National Research Council estimates that a fully deployed SAI program would cost about $10,000,000,000 yearly. As promising as it may be, moving forward on SAI would also raise a number of challenges for our government and for the international community. On the technical side, greenhouse gas emission reductions would still have to accompany SAI to address other climate change effects such as ocean acidification because SAI alone would not remove greenhouse gases from the atmosphere. On the geopolitical side, the technology's potential to alter weather patterns and benefit certain regions of the world at the expense of other regions could trigger sharp opposition by some nations. Others might seize on SAIs benefits and back away from their commitment to carbon dioxide reductions, And as with other breakthrough technologies, global norms and standards are lacking to guide the deployment and implementation of SAI and other geoengineering initiatives.