地球 ちきゅう環境 かんきょう保全 ほぜんでしょう
chikyūkankyōhozendeshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of 地球環境保全

1. Probably Earth environment preservation.; Likely environmental conservation of the Earth.

Polite
Presumptive
Conjecture