Explore the evolution of construction technology in this 24-minute lecture from NPTEL-NOC IITM that examines existing building materials and their impact on sustainability. Learn about the pressing need for innovative alternatives in modern construction, with detailed insights into emerging solutions like composite bricks, permeable concrete, nanocellulose, AgroBricks, and Fabrick. Discover future trends in sustainable building materials that promise to transform the construction industry while addressing environmental concerns.