According to this article, it looks like most emissions come from Israel's IDF
Over 99% of the almost 1.89m tCO2e estimated to have been generated between the 7 October 2023 Hamas attack and the temporary ceasefire in January 2025 is attributed to Israel’s aerial bombardment and ground invasion of Gaza.
I have noticed that The Conversation has articles that I consider to be great and others that I find to be the opposite. Unfortunately, for me, this one is in the later category.
In this one, mainly they talk about how the technologies will work, about money and the urgency to use this tech. The real urgency is to start phasing out fossil fuel globally. Also, they don't talk about the unintended consequences, the too many known unknowns, and let's keep in mind there are uncountable unknown unknowns in geoengineering.
More info: