Laboratorios

The General Assembly of the United Nations adopted on 22 December 1993 resolution A/RES/47/193 by which 22 March of each year was declared World Water Day to be held since 1993, in accordance withthe recommendations of the United Nations Conference on Environment and Development contained in chapter 18 (Fresh Water Resources) of Agenda 21. It then invited the various States to devote the day inthe national context, to concrete activities such as promoting public awareness through the production and diffusion of documentaries and the organization of conferences, round tables, seminars andexpositions related to the conservation and development of water resources as well as the implementation of the recommendations of Agenda 21.

Water for Cities (Topic 2011)

Water for cities:responding to the urban challenge is the theme of the celebration for the year 2011, and aims to highlight and encourage governments, organizations, communities and individuals to participate actively tomeet the challenge of managing urban water.

World Water Day provides a unique opportunity to draw attention and create momentum that compels governments to intervene, the international community,civil society and citizens. It is anticipated that this day, his organization is one of the hundreds of institutions to organize events related to Water for Life. " It is expected that each countrywill celebrate World Water Day in its own way.
Where does the Water?
To get home, the water makes a long journey. First of all, is stored in a dam. From there it is sent to the purification plant,where it undergoes chlorination processes (eliminating algae and bacteria), aeration (to remove bad tastes and odors), sedimentation, filtration (to remove the mud) and a second chlorination. Then,powerful electric pumps circulate water through a complex system of pipes. It takes a lot of energy and money to pump water 24 hours a day. Finally, the water we drink at home, leads to a sewer...