Department of Civil and Architectural Engineering;
College of Engineering;
Sultan Qaboos University;
Al Khould;
Muscat;
Oman;
Department of Physics;
College of Science;
Sultan Qaboos University;
Al Khould;
Muscat;
Oman;
GHG; Emission; Air; Pollution; Acid; Rain; GCC; States; Market; Based; Approach;