Measures Needed to Protect the Earth.

But why should we conserve water? 
Water production is a reaction that takes many calories. If artificially created, will be to link two molecules of hydrogen and oxygen, is a very expensive process for the high power required could not be consumed, as the drinking water contains electrolytes that maintain the balance of our body, and having been consumed. 
The air we breathe, water we drink, the working environment or the interior of the buildings have a great influence on our wellbeing and our health. For this reason, quality and health of our environment are vital for good health. Even our daily habits have a lot to do with overall degradation of the planet. Acts as routine as throwing trash without separating, purchase or acquire utensils foods packaged in recyclable materials or harm the environment contribute greatly to environmental pollution. 
Then I'll give you some tips on how you can help the environment:
*Take your own bags to the supermarket. 
*Avoid use, disposable items such as handkerchiefs, kitchen rolls, cups and paper plates, plastic cutlery, etc. Believe it or not recyclable products industry is generating more garbage around the world. 
*Do not throw glass bottles. 
*Use old paper for packaging. 
*Do not use chemical pesticides and do not throw garbage into drains, polluting the rivers that irrigate our land. 
*Turn off the tap when brushing your teeth, you will save 10 liters. 
*Take a shower instead of a bath, save 150 liters. 
* Fill the dishwasher, is where most water is wasted. 

* Use saving bulbs.

References:

http://members.tripod.com/mexico_h20.mx/page7.html

http://es.wikipedia.org/wiki/Calentamiento_global

http://www.medioambiente.ws/contenido/quees.asp