وَإِذَا قَرَأْتَ الْقُرْآنَ جَعَلْنَا بَيْنَكَ وَبَيْنَ الَّذِينَ لَا يُؤْمِنُونَ بِالْآخِرَةِ حِجَابًا مَّسْتُورًا 
As water has become a matter of concern for the modern world and its international organizations, such as the UN- officially designating a yearly World Water Day observed on 22 March, Islam was the first to place such importance on the matter.