We seem to have had a similar experience here. I hereby vow to post more next year. 😂

Many years ago(about 15) I was searching through U.S. patents for curiosity and I discovered one for canisters that could be attached to airplanes and were capable of dispersing metallic particles into the atmosphere. The purpose of the particles was to reflect UV light in order to combat global warming. I recall this patent was issued about 4 decades ago. I'm sure there are many more like it.