#$7273$ How does the concept of sustainability influence decision$-$making processes in civil engineering projects? Explore the various factors that engineers must consider, such as environmental impact, resource conservation, and long$-$term viability, when designing and implementing infrastructure projects. Additionally, discuss the challenges and trade$-$offs that arise when attempting to balance the economic, social, and environmental aspects of sustainability in civil engineering projects. Consider how advancements in technology and materials can contribute to more sustainable solutions, and evaluate the role of regulations and policies in promoting sustainability within the field of civil engineering.