Explore sustainability in the context of performance and resilience testing in this conference talk from Conf42 IM 2024. Delve into the importance of carbon footprint reduction in IT, sustainable data centers, and green energy solutions. Learn about web performance optimization techniques for sustainability, including client-side and server-side strategies. Discover the challenges in performance and resiliency testing, and how they relate to digital transformation and sustainability goals. Gain insights into best practices for green testing, methods to reduce carbon footprint in performance testing, and the benefits of using emulators to extend device lifespan. Conclude with valuable resources for further reading on sustainable IT practices.