Observance denotes a period of time to observe some issue of international interest or concern. This is used to commemorate, promote and mobilize for action.
Some of the observances specific to water are as follows;
|February 2||World Wetlands Day|
|March 22||World Water Day|
|April 22||Earth Day|
|May 25||World Meteorological Day|
|June 5||World Environment Day|
|June 8||World Ocean Day|