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Global Research Reveals That Geoengineering Proposals to Curb Polar Melting Are Expensive, Ineffective, and Could Generate Irreversible Ecological Collapses.
A new international study warns that geoengineering proposals to slow polar melting are unrealistic, costly, and dangerous.
According to the authors, these ideas only address the symptoms of the climate crisis without reducing greenhouse gas emissions.
They claim that promoting such solutions could divert attention from the urgency of cutting emissions.
The central message is clear: geoengineering will not save us from global warming.
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Extreme and Unfeasible Solutions
The research was conducted by an international group of ice and climate scientists, led by glaciologist Martin Siegert from the University of Exeter.
The study was published in a peer-reviewed scientific journal.
The experts analyzed five proposals to curb polar melting.
These include the dispersion of particles in the atmosphere to reduce solar radiation and pumping water to the surface of glaciers to refreeze it.
None of these ideas addressed basic questions about feasibility, impact, or scalability, according to the authors.
They classify such solutions as technically and economically unfeasible.
Concerning Side Effects
One of the most well-known proposals is the injection of reflective particles into the upper atmosphere to block part of the solar radiation.
The study warns that this could alter essential climate patterns, such as monsoons.
These changes would directly affect densely populated agricultural regions in Asia and Africa.
The result would be a new form of climate crisis, equally dangerous.
Other ideas, such as building underwater walls to block warm currents or covering sea ice with reflective materials, have also been criticized.
Besides being extremely costly, they could destroy sensitive marine ecosystems and disrupt food chains that sustain everything from phytoplankton to large cetaceans.
Political and Media Interest
The study points out that many of these proposals gained traction in recent events such as COP28 in Dubai.
They were presented with the appearance of institutional support but lacked solid scientific backing.
Researchers highlight that many national administrations do not officially endorse these initiatives.
Still, they are promoted by well-funded and sophisticated campaigns directed at politicians and the media.
James Kirkham, a scientific consultant for an international consortium, states that these ideas have moved from being ignored to receiving significant funding.
This support often comes from industrial sectors interested in delaying real mitigation measures.
Why They Don’t Work
The study outlines key reasons to reject these proposals.
First, they do not address the root cause of the problem: greenhouse gas emissions.
Moreover, they would not be implementable on a global scale in the short term.
Any project would need to be operational in less than 20 years — something implausible.
They would also generate collateral risks by altering fragile and unpredictable ecosystems.
And they would cost hundreds of billions of euros, with no guarantee of success.
Finally, international treaties, such as that of Antarctica, severely restrict such experiments for environmental, ethical, and legal reasons.
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