1. to reduce or eliminate carbon dioxide emissions from (an economy, industry, or process); to transition away from carbon-based energy sources
Usage: chiefly British spelling; American English typically uses 'decarbonize'; often used in environmental and climate policy contexts

Examples

• The government aims to decarbonise the transportation sector by 2050.
• Many countries are investing in renewable energy to decarbonise their power grids.
• The manufacturing industry must decarbonise its operations to meet climate targets.
• Decarbonising the economy requires significant investment in green technology.
• The company committed to decarbonise its supply chain over the next decade.