Globally, the textile industry is encountering increased scrutiny as it has a significant environmental impact, as it contributes to water pollution, excessive waste production, widespread use of hazardous chemicals, and elevated energy consumption during manufacturing. In recent years, sustainability has become crucial in the textile industry, motivated by eco-conscious customers, environmental concerns, and evolving legal demands. To support this shift, a variety of standards and certifications have been introduced by regulatory bodies and organizations worldwide. This chapter takes a closer look at key global sustainability standards and the specific certifications designed to help the textile sector operate more responsibly. This chapter also looks at how textile certifications are being put into practice, using a range of case studies to highlight key takeaways and real-world insights. It explores how different levels of regulation, regional, national, and international, interact to shape sustainability standards and ensure industry-wide compliance. The chapter also focuses on the role of technology in the certification process, including a review of current tools and emerging trends. The chapter concludes by addressing some of the major challenges, such as aligning various standards, compliance verification, and cost implications for manufacturers. At the same time, it also highlights how these standards and regulations create opportunities for innovation and boost competitiveness in the market.