regularan

Verb

form-of imperfect plural subjunctive third-person

regularの三人称複数の仮定法過去未完了形

English Meaning

third-person plural imperfect subjunctive of regular

Si ellos regularan las emisiones de carbono, se mitigaría el cambio climático.

もし彼らが二酸化炭素の排出を規制したなら、気候変動が緩和されるでしょう。

If they regulated carbon emissions, climate change would be mitigated.