Is this really a good idea?
Obviously, implementing sunlight-blocking comes with massive risks, both to humans and the environment. But some advocates think the idea is at least worth entertaining, and see the White House's cautious interest in it as a positive sign.
"Sunlight reflection has the potential to safeguard the livelihoods of billions of people, and it's a sign of the White House's leadership that they're advancing the research so that any future decisions can be rooted in science not geopolitical brinkmanship," Chris Sacca, founder of the climate tech investment fund Lowercarbon Capital, toldAccording to the outlet, it's not the first time the US government has toyed with the idea. A report to President Lyndon B.
But since using sulfur dioxide is so blatantly polluting, others propose implementing marine cloud brightening, a process in which the reflectivity of clouds is increased by injecting them with sea salt.While these are all interesting solutions, many worry that they're merely a band-aid to a problem that requires global systemic change to address.
"You cannot judge what the country does on solar-radiation modification without looking at what it is doing in emission reductions, because the priority is emission reductions," Pasztor toldSo solar geoengineeringa useful tool — and that's a big "might" — but it's no substitute for reducing emissions. Ultimately, we just don't know what kind of unintended consequences implementing these ideas might have.
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