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Where does this dust end up? Into the oceans? Because iron-rich dust entering the oceans helps create nutrition for algae which can absorb CO2
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Believe it or not at least 40 million tons of it ends up in the Amazon basin each year where it does have an effect on the plants there: https://iopscience.iop.org/article/10.1088/1748-9326/1/1/014...

It goes elsewhere too, as expected.


In South Florida you can sometimes get Sahara dust on your car after a rain.

N/Nw Europe also has sand rains. Not seen it this year yet though.



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