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this post was submitted on 06 Jan 2024
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In the realm of crazy ideas, why not flood parts of the Sahara? Build a canal from the closest sea and just let it drain into there. There are also areas in Australia that were one great lakes that could also have a canal or two built to them from the ocean and flooded. Given the temperature in those places, it might make enough condensation to rejuvenate those and surrounding areas with the precipitation.
Mostly because it's expensive and the benefits unclear. This one had a bunch of modeling work done around the proposed intervention so we can know what it's likely to accomplish
There has been some talk about moving water around in Australia. This and others like it.
https://en.m.wikipedia.org/wiki/Bradfield_Scheme