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The question of how to reverse, or at least block, global warming is arguably the biggest problem humanity faces in the 21st century – and with rising sea levels, extreme temperatures and The depletion of our coral reefs, finding the solution has never been so urgent.
However, a group of scientists may have discovered it as part of their research on the propulsion of sulfates in the lower atmosphere in order to mitigate sunlight.
In a study published in the journal 'Environmental Research Letters & # 39; , they examined the tactics and costs of "stratospheric aerosol injections" – which is not a small task considering the need to launch the material up to 20 km in the bbad atmosphere.
Scientists have estimated that this could halve the increase in anthropogenic radioactivity. force – in other words, it could significantly reduce the amount of solar radiation remaining in the Earth's atmosphere instead of being returned to space because of human emissions of greenhouse gases.
Atmospheric Changes
The researchers predict that it would cost about $ 2.25 billion a year and could be ready for deployment in 15 years. However, there is currently no aircraft capable of launching equipment at these high altitudes.
In addition, the study did not examine the potentially devastating effects that the sun's attenuation could have on other lives on Earth; For example, plants and other photosynthetic organisms may have difficulty surviving in a less sunny environment, which would have huge consequences for animals and insects up the food chain.
Although it 's not clear if this type of technology would ever be adopted realistically, it is obvious that any type of environmental engineering needs to be approached with caution – after all, the l & # 39; Environment conducive to life on Earth is as finely tuned as an expensive wristwatch, and the slightest change in this environment could have huge repercussions on the entire planet.
Via Slash Gear
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