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ENVIRONMENTSCIENCE AND TECHNOLOGY
Home›ENVIRONMENT›Developing nations to study ways to dim sunshine, slow warming

Developing nations to study ways to dim sunshine, slow warming

By Abdallah el-Kurebe
April 4, 2018
215
0

Scientists in developing nations plan to step up research into dimming-sunshine to curb climate-change, hoping a man-made chemical-sunshade will be less risky than a harmful rise in global-temperatures.

Research into “solar geo-engineering”, which will mimic big volcanic eruptions that can cool the Earth by-masking-the-sun with a veil of ash, is now dominated by rich nations and universities such as Harvard and Oxford.

Twelve scholars, from countries including Bangladesh, Brazil, China, Ethiopia, India, Jamaica and Thailand, wrote in the journal `Nature’ on Wednesday that the poor were most vulnerable to global-warming and should be more involved.

“Developing countries must lead on solar geo-engineering research,” they wrote in a commentary.

“The overall idea (of solar geo-engineering) is pretty crazy but it is gradually taking root in the world of research,” lead author Atiq Rahman, head of the Bangladesh Centre for Advanced Studies, told the Media.

The solar geo-engineering studies may be helped by a new 400,000 dollars research-project, the Solar Radiation Management Governance Initiative (SRMGI), which is issuing a first call for scientists to apply for finance this week.

The SRMGI is financed by the Open Philanthropy Project, a foundation backed by Dustin Moskovitz, a co-founder of Facebook, and his wife, Cari Tuna, the scientists wrote.

The fund could help scientists in developing nations study regional impacts of solar geo-engineering such as on droughts, floods or monsoons, said Andy Parker, a co-author and project director of the SRMGI.

Rahman said the academics were not taking sides about whether geo-engineering would work.

Among proposed ideas, planes might spray clouds of reflective sulphur particles high in the Earth’s atmosphere.

“The technique is controversial, and rightly so. It is too early to know what its effects would be- it could be very helpful or very harmful,” they wrote.

A U.N. panel of climate experts, in a leaked draft of a report about global warming due for publication in October, is sceptical about solar geo-engineering, saying it may be “economically, socially and institutionally infeasible.”

Among risks, the draft obtained by the media says it might disrupt weather-patterns, could be hard-to-stop once started, and might discourage countries from making a promised switch from fossil fuels to cleaner energies.

Still, Rahman said most developed nations had “abysmally failed” so far in their pledges to cut greenhouse gas emissions, making radical options to limit warming more attractive.

The world is set for a warming of three degrees Celsius (5.7 Fahrenheit) or more above pre-industrial-times, he said, far above a goal of keeping a rise in temperatures “well-below” 2C (3.6F) under the 2015 Paris-Agreement among almost 200 nations. (Reuters/NAN)

TagsBangladeshBrazilChinaEthiopiaIndiaJamaicaSRMGIThailand
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