Range:
Subjects: Arab world; Chemicals; Statistics; Air; Pollution
Subjects: Arab world; Statistics
Subjects: Air quality; Palestine; Statistics
Subjects: Kuwait; Statistics; Air
Subjects: Iraq; Statistics; Air
Subjects: Egypt; Statistics; Air
Subjects: Arab world; Statistics; Air; Carbon dioxide; Pollution
Subjects: Arab world; Statistics; Water
Subjects: Jordan; Statistics
Subjects: Iraq; Statistics; Water
Subjects: Egypt; Statistics; Water
Subjects: Lebanon; Statistics; Water
Subjects: Arab world; Statistics; Sanitation; Waste water
Subjects: Arab world; Statistics; Water utilization
Subjects: Arab world; Statistics; Freshwater
Subjects: Arab world; Statistics; Groundwater; Surface water
Subjects: Arab world; Statistics; Water reuse
Subjects: Distilled water; Statistics
Subjects: Arab world; Statistics; Drinking water