Source: https://www.carbonbrief.org/guest-post-how-the-global-water-gap-will-grow-under-climate-change/

Freshwater, essential for ecosystems and human well-being, is becoming increasingly scarce. 

Population growth, urbanisation and socioeconomic development are all driving greater demand for the world’s finite water resources. At the same time, climate change is altering precipitation patterns and affecting water availability. 

Currently, approximately four billion people experience water scarcity for at least one month each year.