Where does “地球温暖化” come from?

地球温暖化 (Japanese) comes from Japanese 地球, from Chinese 地球.

地球温暖化 (Japanese): global warming

Definitions

Step	Language	Word	Meaning
1	Japanese	地球	globe; Earth
2	Chinese	地球	—

地球温暖化 — Etymology, Origin & Word History | Etymology Explorer