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Extreme weather is exactly what people concerned about climate change have been predicting though

Seems there have been scientific observations done at the south pole using lasers: https://duckduckgo.com/?q=laser+at+the+south+pole&t=h_&ia=web
I don't see any current info though.

Could be something like this?
https://optics.org/article/17511
From 2003

I mean, it says right on the original page linked that "The South Pole is a unique research site that supports projects ranging from cosmic observations to seismic and atmospheric studies" so it seems pretty likely that it's cosmological (or atmospheric) research of some kind.