Water use in the tropics and subtropics and human health

The main purpose of this paper is to analyze the environmental degradation and its effects in the human health particularly related to the use of water of the tropics and subtropics areas on Earth. In this conception towards a healthy society a continuous investing in basic and environmental sanitation is very important and simultaneously less expensive than dealing with illnesses. In order to improve a better and friendly society linked to Sustainable Development with a good population life quality will need to point out a series of services to the community such as treated water supply, collection and disposal of sewers and solid residues. The public politics that efficiently provide investments of financial resources in sanitation, preventively collective health, must be a strategy to achieve the human being quality of living in the XXI century.