Under the patronage of King Abdullah, International Forum of Infrastructure and Its Impact on Environment will be held here Sunday with the participation of 1,000 experts and researchers from the Kingdom, GCC states, and environmental organizations around the world. The three-day forum is being organized by Presidency of Meteorology and Environment (PME) and Saudi Environment Society. During the forum, 13 agreements with mayors of Saudi cities will be signed to implement one of the most important national programs entitled National Program of Environment and Sustainable Development. Prince Turki Bin Nasser Bin Abdul Aziz expressed his thanks to and appreciation of the King for his approval to hold this forum, noting that Saudi Arabia is today one among countries friendly to environment through its programs and strategies in preserving environment and infrastructure projects.