Question

Why is there need for water harvesting?

Answer 1

Harvesting allows the collection of large amounts of water. Most rooftops provide the necessary platform for collecting water. Rainwater is usually free from harmful chemicals, which makes it ideal for irrigation purposes. Another important advantage is that it reduces demand for potable water.


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Answer 2

Mains water is a precious resource due to increases in demand from our ever growing population. Changes in rainfall patterns in the UK have seen both drought conditions and flooding. Rainwater harvesting can provide around 50 per cent of a family's water needs....