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Rainwater Harvesting Systems

  • By: Swati Ogale
  • In: Green Technology: An A-to-Z Guide
  • Edited by: Dustin Mulvaney
  • Subject:Environmental Sciences (general), Environmental Technology, Policy & Management

Rainwater collected from unclean surface runoffs is not suitable for drinking or cooking, so this roof has a layer of ethylene propylene diene monomer (M-class), or EPDM foil, which doesn't pollute rainwater and allows the water to be used for any requirements.

Rainwater harvesting systems collect and store rainwater for human use—a highly advantageous system in areas facing water scarcity. Water scarcity is a pressing problem for many densely populated regions in the world. The demand for freshwater for consumption exceeds the amount of freshwater that is naturally replenished by the Earth's yearly climatic cycle. Water is demanded for human consumption and food production, for irrigation of crops as well as to take care of the needs of livestock, and in food manufacturing processes. There is ...

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