noun
Refers to the process of reducing or eliminating carbon dioxide emissions, often in the context of climate change policy.
政府は2050年までの脱炭素化を目指している。
The government is aiming for decarbonization by 2050.
脱炭素 is a shorter form often used attributively (e.g., 脱炭素社会), while 脱炭素化 emphasizes the process or action of decarbonizing.
Compound of 脱 (datsu, 'de-') + 炭素 (tanso, 'carbon') + 化 (ka, '-ization').