Sweden has developed an extensive and sound policy framework to limit greenhouse gas emissions. It is now one of the OECD countries with the lowest greenhouse gas emissions per capita and it has successfully managed to decouple GDP growth from emissions growth. However, as Sweden has already significantly lowered its greenhouse gas emissions, the cost of reducing them further could be very high, making it urgent to improve the cost-effectiveness of Sweden’s climate change policies. A strategy to enhance the cost-effectiveness of this policy framework would include: i) reducing differences in carbon prices between sectors and increasing even further the role of market-based instruments; ii) limiting overlap between targets and policies; iii) raising Sweden’s participation in greenhouse gas emission reductions abroad; and iv) improving the assessments of the policy framework.