Scientists Warn That Monsoons and Weather Systems Could Be Disrupted by Artificial Earth Cooling

Dimming sunlight to combat climate change could change rainfall and harm ozone, according to scientists

Sulfur particle injections to cool the planet might cause acid rain and interfere with the monsoon season

At first appearance, it could seem like a "cheap and easy" technique to chill the climate to scatter small sulfur particles up into the stratosphere by plane. However, a number of scholars are starting to contend that this climate engineering tactic might have harmful side consequences. According to the new study, while these plans, which fall under the category of initiatives known as stratospheric aerosol injection (SAI), may aid in halting the increase in global temperatures, they also have the potential to disrupt significant weather patterns like the monsoon and cause unexpected changes in rainfall, which could have unintended consequences for tropospheric ozone.

Scientists Warn That Acid Rain, Droughts, and Climate Chaos Could Be Caused by Sun-Dimming Geoengineering

According to an article that was published on October 21 in Scientific Reports, Columbia University researchers used sophisticated computer models to assess the impacts of SAI. The idea is based on natural occurrences, such as the 1991 Philippine eruption of Mount Pinatubo. nearly 20 million tons of sulfur dioxide were released into the atmosphere at high altitudes as a result, cooling the globe by an estimated half a degree Celsius for nearly two years. Ironically, though, this cooling led to a severe winter warming of the stratosphere and a drought in South Asia.

However, atmospheric scientist Faye McNeill issues a warning: She explains that because of the unequal distribution of particles in the atmosphere, which might interfere with global air circulation and heat imbalances, the real impacts could not match calculations.

Because they have limited options for material, the study helps the public understand how unpleasant the effects of cloud seeding—the process of mixing sulfur aerosols with rainwater—may be. It is also difficult to scale up.

According to researchers, geoengineering is not a long-term answer since its impacts on climate systems are unpredictable and potentially harmful, even if it could provide a little reprieve.

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