地球 ちきゅう環境 かんきょう問題 もんだいでしょう
chikyūkankyōmondaideshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of 地球環境問題

1. Probably environmental issues.; Probably global environmental problems.

Polite
Presumptive
Conjecture