炭素 たんそ中立 ちゅうりつじゃありませんでした
tansochūritsujārimasendeshita

Noun
Desu Copula
no-Adjective

The polite, past negative form of 炭素中立

1. Was not carbon neutral.; Was not carbon neutrality achieved.

Past/Perfective
Negative
Polite
Terminal Form