USCS Soil Classification, Soil properties, types, compaction, and Stabilization Techniques, Waste and recycled materials for Sustainable Soil Stabilization. Soil mechanics fundamentals; Soil Bearing Capacity and Settlement; Foundation design using Finite elements modeling with consideration of Carbon Footprint; Construction Materials for Hot Arid Zones: expansive or dry sands, heat-resistant concrete curing, and enhanced thermal performance, durability, and dust resistance. Carbon sequestration and storage in the built environment; building rating system (LEED, BREAM, MOSTADAM); Project Economics and Life Cycle Costing and Assessment; Environmental, social, and governance (ESG); Circular construction, demolition waste management. Advanced topics: Construction in desert and arid climates Case Studies.