aboyt water year

Could anyone tell me the background on the "world║s day of the 
water".  I am informed it is the 22 of this month.  I know nothing 
about it.  What is being organizaed for it and what is is expected of 
governments and other to do about it?
(1) Direccion Principal:

Manuel Paulet Iturri
Especialista Regional en Desarrollo Sostenible
IICA/OEA, Apartado 711
Santo Domingo
Republica Dominicana
Tel 809 532 9752
FAX 809 532 5312

(2) Direccion en USA:

IICA/OEA ID# 10782-X 
7303 NW 56 st    
Miami, FL 33166