Rain water harvesting is a ancient practice in many parts of the world. In India there is even a caste of people who have specialized in it since time immemorial. Their techniques have been passed down through generations and are still used. However, in other parts of the world it seems to be a new and innovative idea. READ TO. (http://zipteria.com/A0cM)


Urbanization has had a huge impact on domestic supply methods. Dense populations require large amounts of potable liquid delivered through complicated reticulation systems. Many people use their taps without thinking too much about how or where what they are drinking comes from.

Climate change and global warming are having significant effects upon human attitudes. Where it was until recently taken for granted H2O is now being regarded as a vulnerable natural resource that is under serious threat. It is projected that temperatures will rise significantly by the year 20550. This will increase evaporation and decrease inflows into systems. Usage will increase too, and even on TV news programs attention is now being given to the specter of serious shortages, world wide.

Recent research has shown that solar energy collected directly from the sun by home owners is more economical than huge national electricity grids. Similarly, rainfall harvested directly as it falls is more economical than first feeding it into state reticulation systems and then recycling it into city homes.

In at least one American state there are laws that forbid people to collect precipitation that falls from the skies onto the roofs of their houses. The argument is that what falls from the skies actually belongs to the state and not to individuals. Legislation has prevented people from gathering the precipitation that falls onto the roofs of their houses. In the light of recent research such legislation is changing. Now, people who have special permission to use wells may also collect rainfall and use it for gardening.

There are websites that advertise equipment developed specifically in Colorado for people who wish to install garden features and installations using local precipitation. Recent legislation has relaxed the laws which prevent people from exercising their rights to precipitation falling from the skies. Under certain circumstances some Colorado residents may now collect their own rainfall.

Gardeners may choose between available options. A simple barrel may be used as a reservoir to feed a pond, or a larger underground system with a subterranean filtration plant may be installed. In both cases a small pump will be required to circulate the contents so that there is hardly any wastage. Conservation is in action, and also sustainable development, since moist micro-environments are created.

In aquatic environments of all kinds gravitation plays a central role. The natural fall of rivers and streams is endlessly fascinating for young and old. By using modern technology in rain water harvesting people can create within their own living spaces the micro-climates that help to sustain water resources. Pumps and filtration plants can maintain water levels in containers above ground level so that air and moisture levels are maintained within gardens. These not only conserve water but also foster appreciation of the precious natural resource.

In some parts of the world precipitation is sparse. It may occur in the form of mist or drizzle. In Oman, for example, the mountains in the southern parts of the country receive days of heavy mist. Some of this is collected from the leaves of trees and bushes as droplets fall onto plastic sheets. It is fed into containers and then pumped into homes. This seems to be be a satisfying way of harvesting rain water since technology and natural features are neatly synchronized.

Source : By Tim Boettcher,About the Author: