The writer was chair of the economic affairs committee of the House of Lords in the last parliament Tony Blair criticized current climate policies as impractical, urging a more pragmatic approach amid three key challenges facing Europe: climate change, competitiveness, and security. He argues that growth should be prioritized to fund defense and decarbonization efforts, emphasizing that robust energy supply, including gas, is essential for rearmament while balancing climate goals. Leaders must reassess regulatory frameworks and confront the urgent need for security to enable a successful green transition.