Water is necessary for life. Water is needed for domestic, agricultural and industrial purposes.
Three-fourth of Earth's surface is covered by water bodies. 97 per cent of this water is present in oceans as salt water and is unfit for human consumption. Fresh water accounts for only about 2.7 per cent. Nearly 70 per cent of this occurs as ice sheets and glaciers n Antarctica and other inaccessible places. Only one per cent of fresh water is available and fit for human use. So it is very important to conserve this precious resource. And yet we are contaminating the existing water resources with sewage, toxic chemicals and other wastes. Increasing population and rapid urbanisation has led to over-use of water resources leading to water pollution and scarcity.
Water scarcity can be defined as a situation when people don't have enough water to fulfil their basic needs. India is one of the many countries that are facing water scarcity today. In Rajasthan and some parts of Gujarat, women have to cover long distances on foot in order to get a pot of water. In cities like Bangalore, a family has to spend from Rs. 15 to Rs. 20 to meet their daily water needs. The problem becomes severe during summer months when availability of water decreases again. A recent study has revealed that about 25 per cent of urban population lack the accessibility to fresh water. Also there are several cases of privatisation of water bodies. This often leads to water scarcity in the nearby areas.
There are different methods to deal with water scarcity. Rain water harvesting is the best and most suitable method. Forest and other vegetation cover reduce surface runoff and recharge ground water. So, practise afforestation. We can also promote water conservation through media and by conducting public awareness programmes.
By practising these simple steps we can conserve water and ensure the availability of water to future generations. So don't tarry; start saving each and every drop of water. Let our motto be “Save water, save life, save the world”.
Amrita is a Std IX student at B.M.M. English Medium School, Pampady, Kottayam
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Rain Water Harvesting :
- Rain Water Harvesting is the collection and storage of rain water for future use
- Rain Water Harvesting prevents surface runoff of water
- This water can be used for drinking purposes during scarcity or drought
- Rain water Harvesting assures food security due to the improved water supply
- Tamil Nadu is the first state in India to make Rain Water Harvesting mandatory
Rain Water Harvesting : (Short Essay)
Rain is a part of the natural changes of the environment. When you see the water scarcity in many parts of the world, collecting rain water would be a great technique. Rain Water Harvesting is a technique through which Rain Water can be collected and stored for future purposes. Rain Water can be collected in various hard surfaces so that the water does not run off. Rain Water Harvesting can be definitely considered one of the best methods to promote water and energy conservation. Maintaining the rain water that is collected is more important without which the effectiveness of the technology would go down.
Rain Water Harvesting : (Brief Essay)
Rain Water Harvesting is an effective technique to collect and store rain water for domestic purposes and landscape irrigation. The basic components of Rain Water Harvesting are:
- Catchment Surface
- Gutters and Downspouts
- Leaf screens
- Roof Washers
- Storage Tanks
- Delivery System
- Purification/Treatment System
Rain Water Harvesting is one of the best methods to store water for use during water scarcity. Rain Water is void of chemicals which makes it the best water for landscape irrigation. With Rain Water Harvesting, you can understand the importance of water conservation and energy conservation. The dependence of main water can be reduced if we properly make use of Rain Water collected. Rain Water is free of cost provided we invest a little for building the Rain Water Harvesting System. More of all, there is no better quality water when compared to the natural rain water and it can be the best drinking water too.
Maintaining The system is not so tough. All that is required is a regular inspection on the gutters and downpipes. It is good to take extra care to avoid dust or unwanted particles accumulate in the system. Fencing the Rain Water Harvesting is yet another important task.
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