Introduction: No one can deny the effect of climate change as a phenomenon, which is increasingly becoming evident to affect the food, water and energy security worldwide. With increase in temperature, there has been a significant impact on the fresh water supplies. Rise in temperature results in increase in evaporation, which could result in droughts. This could also result in melting of glaciers, thus resulting in disappearance of one of the important sources of fresh water

In a regular classroom discussion, we were once asked to define ‘environment’. Every one of us confidently shouted either ‘surrounding’, ‘climate’, ‘animal and plant habitat’ or ‘nature’. It’s a common word, and we’ve used it since our childhood, we wouldn’t collectively get it wrong. Yet, our professor maintained that something integral was missing in our definition. To exemplify, he painted a scenario for us – “there have been very severe volcanoes in The Antipodes; all the