"Although responding to climate change is an urgent priority, the completion of full decarbonization will take considerable time," Kuroda said a speech delivered to the Paris Europlace online forum.

"In promoting decarbonization of the economy as a whole, it is important to provide stable support for structural change in sectors and industries where decarbonization will be difficult to achieve in a short period of time," he said.

(Reporting by Leika Kihara; Editing by Toby Chopra)