In order to enable a just and resilient future, this chapter examines the changing landscape of sustainability finance and entrepreneurship, highlighting the vital roles played by creative financing mechanisms, policy frameworks, digital technologies, and stakeholder collaboration. The allocation of funds to initiatives that produce long-term environmental, social, and governance (ESG) benefits is known as sustainability finance, and it has quickly evolved from a specialized investment approach to a necessary one. The allocation of capital has changed as a result of green bonds, impact investing, climate finance, and ESG integration, which have pushed businesses and startups to incorporate sustainability into their core values. Simultaneously, entrepreneurship motivated by sustainability is becoming more and more popular as a major force behind inclusive economic growth. More and more entrepreneurs are creating business plans that tackle urgent societal issues like waste management, poverty, gender inequality, and carbon emissions in addition to focusing on making a profit. A multifaceted framework that makes use of digital transformation, cross-sector cooperation, and financial innovation is essential to the future of sustainability finance and entrepreneurship. By enhancing transparency, traceability, and impact measurement, fintech solutions such as blockchain, artificial intelligence, and big data analytics are upending established financing models. These technologies give investors the ability to make data-driven decisions and give startups access to decentralized funding methods like tokenization and crowdfunding. Additionally, impact-oriented ventures are being mentored and scaled by sustainability-focused incubators, accelerators, and venture capital firms. This chapter also presents global case studies showcasing successful models of sustainability finance and entrepreneurship.