Scientists Suggest Dehydrating a Layer of Earth's Atmosphere to Fight Global Warming

A new climate intervention strategy aims to decrease the amount of water vapor in the stratosphere by injecting it with ice-forming nuclei. The idea is that, by reducing the water content, more heat in the form of infrared radiation would leak out into space. Scientists described the strategy a study published Wednesday in Science Advances.

Using observations from NASA’s Airborne Tropical TRopopause EXperiment , a research aircraft that tracked the transport of water vapor into the upper atmosphere, the team created a model to examine the amount of particles needed to pull off stratospheric dehydration and their predicted trajectories. The models suggested that the idea can work to help mitigate the effects of global warming, but a lot of technical challenges still lie ahead in terms of implementing the strategy.

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Scientists Propose Dehydrating the Stratosphere as Climate Change SolutionSome scientists suggest dehydrating the stratosphere as a potential solution to climate change. By removing water vapor, which acts as a greenhouse gas, from the stratosphere, it could help control the amount of radiation trapped in Earth's atmosphere. However, researchers emphasize that this is not a magic solution to eliminate climate change.
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