Open Access Research Paper Views (978) Global Warming and Temperature Changes for Saudi Arabia Ishtiaq Hassan, Abdul Razzaq Ghumman, Hashim Nisar Hashmi J. Biodiv. & Environ. Sci. 8(1), 179-191, January 2016. Keywords: Downscaling, EdGCM, GHG (Greenhouse Gases), Isohyets, QuickSurf Modeling Details