Many of us will have heard that New Zealand's ambitious COP26 pledge to halve emissions by the end of the decade will save 149 million tonnes of carbon dioxide from entering the atmosphere, but what will achieving such a goal cost in the immediate future.
Are we even in a position to deliver?
New Zealand's largest company, Fonterra, is devoting attention to getting on top of the cost-benefit analysis.
Chief operating officer Fraser Whineray spoke to Corin Dann.