
The world is facing an unprecedented water crisis.
Researchers have found that 80% of the world's population, amounting to 3.4 billion, lives in areas where the fresh water supply is not secure. The researchers warn that the problem is going to get worse with climate change and population growth.
According to Environmental Research Web, the big driver of the shortages is population. The researchers there say it has been four times more significant than climate change. They found that in 1900, only 2% of the world's population had water shortages but by 2005, this had escalated to 35%.
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