酸化 さんか炭素 たんそ削減 さくげん義務 ぎむであれば
nisankatansosakugengimudeareba

Noun
Da Copula

The "-eba" conditional form ("if/when…") of 二酸化炭素削減義務

1. If carbon dioxide emission reductions were obligatory; If there was an obligation to reduce carbon dioxide emissions.

Ba Conditional