地球 ちきゅう環境 かんきょう保全 ほぜんじゃありませんでした
chikyūkankyōhozenjārimasendeshita

Noun
Desu Copula

The polite, past negative form of 地球環境保全

1. It was not environmental preservation of the Earth.; It wasn't Earth's environmental conservation.

Past/Perfective
Negative
Polite
Terminal Form