The 2026 Nigeria Environmental Summit (NEST) has highlighted the urgent economic necessity for Nigeria to transition toward a green economy. Discussions emphasized that climate-resilient infrastructure and sustainable building practices are critical to mitigating climate-related losses, such as flood damage and food insecurity. Experts advocate for the adoption of circular economic models, the development of robust carbon credit markets, and expanded public-private partnerships to attract international capital and foster sustainable development. The summit concluded that moving beyond policy to decisive, coordinated implementation is vital for the nation’s future economic competitiveness.