// Sultan Kiani / Dr. Farrukh A. Chishtie In an effort to tackle water scarcity, the Capital Development Authority has recently made installation of rainwater harvesting systems mandatory in Islamabad. Rainwater harvesting is a simple, effective and sustainable approach to natural resource conservation. Keeping rainwater tanks properly covered helps prevent mosquito infestation Other than reservoir storage, rainwater may also be used for groundwater recharge. It reduces depen