geoengineering; climate engineering
Technical term for deliberate large-scale intervention in Earth's climate system, such as solar radiation management or carbon dioxide removal.
Geoengineering is being discussed as a countermeasure against climate change.
Geoengineering methods include technologies to remove carbon dioxide from the atmosphere.
気候工学 is a near-synonym also meaning climate engineering; 地球工学 is slightly broader, sometimes encompassing planetary-scale engineering beyond climate.
Compound of 地球 (earth) and 工学 (engineering), likely a calque from English 'geoengineering'.