Here is a link to another cooling method that you might add to your list. https://journalspress.com/LJRS_Volume21/Damping-Storms-Reducing-Warming-And-Capturing-Carbon-with-Floating-Alkalizing-Reflective-Glass-Tiles.pdf
On Friday, February 17, 2023 at 11:04:19 AM UTC-8 Ron Baiman wrote: > > Dear Colleagues, > After months of work we have finalized and uploaded our preprint of this > paper to the HPAC website (www.healthyplanetaction.org): > > https://pdfhost.io/v/kUvEpsGdb_Understanding_the_Urgent_Need_for_Direct_Climate_Cooling_0209233 > (Powerpoint summary version: https://online.fliphtml5.com/aacla/dtpn/#p=1) > Please share and distribute! > Title page and Abstract copied below. > Best, > Ron > > > *Understanding* *the* *Urgent* *Need for Direct Climate Cooling* > > > > Ron Baiman1, Sev Clarke2, Clive Elsworth3, Leslie Field4, Grant Gower5, > Achim Hoffmann6 Michael MacCracken7, John Macdonald8, David Mitchell9, Franz > Dietrich Oeste10, Suzanne Reed11, Stephen Salter12, Herb Simmens13, Ye Tao > 14, Robert Tulip15 > Draft: 02/09/2023 > > > > > > *Abstract* > > The long-term average global temperature increase inadequately predicts > the harm from regional or local extreme precipitation and heat events. > Climate change, especially polar amplification, has already caused > enormous damage and is likely to abruptly accelerate the risk of further > catastrophic harm to humans and other species in the absence of urgent > direct climate cooling efforts to slow or reverse it. At least nineteen > potential direct climate cooling methods have been identified with the > potential to address such climate disruptions. A precautionary approach > would > be to evaluate such direct climate cooling methods for their capacity to > return our planetary trajectory towards known and healthy climate > conditions. An evaluation framework could test and monitor small scale > deployments under constrained conditions. This paper includes short > summaries of nineteen of these methods, almost all written or reviewed by > climate cooling experts from among those cited in the footnotes. > > Given multiple potential methods to directly cool the climate, relying > exclusively on GHG emissions reductions and removal seems incompatible > with responsible stewardship of the planet. With direct cooling of the > Earth having the potential to dramatically reduce harm, preserve > ecosystems and save lives, including it as a policy opportunity in the > development of a climate restoration plan that would return global warming > to well below 1° C would seem to be an urgent imperative for world > leaders. The tragic example of Pakistani floods this year induced by > excessive Himalayan melt and extreme monsoon events underscores the > compelling > > > > 1 Corresponding author: Benedictine University, Lisle, IL, USA, email: > [email protected] > > 2 Winwick Business Solutions P/L, Australia > > 3 Citizens Climate Lobby, UK > > 4 Bright Ice Initiative, USA > > 5 Climate Restoration Technologies, USA > > 6 WOXON, The Ocean Enabled Climate Repair Company, UK > > 7 Climate Institute, USA > > 8 Climate Foundation, Australia 9 Desert Research Institute, USA 10 > gM-Ingenieurbüro, Germany > > 11 The Collaboration Connection, USA > > 12 University of Edinburgh, UK > > 13 Planetphilia, USA > > 14 MEER Framework, USA > > 15 Iron Salt Aerosol Australia Pty Ltd, Australia > > evidence that even 1° C of warming is too much. With such increasing > impacts from human- induced global warming, an effective restoration plan > would then seem to focus on three key components: a) deploying a direct > cooling influence, at least initially particularly focused on cooling the > polar regions and the Himalayas, b) reducing GHG emissions, including an > early focus on methane and other short-lived warming agents, and c) > removing legacy CO2, methane and other GHGs from the atmosphere and > oceans. With indications that the rate of warming is accelerating, it will > be vital over the next few decades to keep the climate from spiraling out > of control. Only the application of emergency cooling “tourniquets”, > applied immediately or as soon as is reasonably advisable, has the > potential to slow or reverse ongoing climate disruption and worsening > climate impacts. While reducing emissions of GHGs and removing GHGs from > the atmosphere and ocean are both essential for limiting warming, both > approaches will require decades to be effective and neither seems capable > of returning global warming to below 1° C during this century. And with > polar warming leading to accelerating sea level rise, only direct climate > cooling can potentially slow or reverse loss of Arctic sea ice that may > lead ultimately to the total loss of the Greenland Ice Sheet, with its > potential for up to 7 meters of sea level rise. > > These are the imperatives, challenges and opportunities of our epoch to > which we must immediately and urgently respond. Humanity has never faced > an existential threat so critical for the survival of human civilization > and our fellow living species on this planet. > > > > > -- You received this message because you are subscribed to the Google Groups "geoengineering" group. 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