酸化 さんか炭素 たんそ削減 さくげん義務 ぎむじゃありませんでした
nisankatansosakugengimujārimasendeshita

Noun
Desu Copula

The polite, past negative form of 二酸化炭素削減義務

1. Was not obligated to reduce carbon dioxide.; Was not required to reduce carbon dioxide.

Past/Perfective
Negative
Polite
Terminal Form