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The world faces a collective action problem: countries naturally prioritize domestic investments while global challenges like climate change, pandemics, and food crises demand joint action. This creates systemic underinvestment in global public goods. Join country and development leaders at the 2025 Hamburg Sustainability Conference, as they explore ways to reshape the international finance to unlock transformative solutions. Discover the World Bank's Framework for Financial Incentives and IDA's Global and Regional Opportunities Window—innovative mechanisms that reward countries for projects with cross-border benefits. From energy transformation to water management, learn how small grants through the new Livable Planet Fund make big global impact possible.