5. World into a situation of water scarcity
In 2013, around 1.3 billion people live in water-scarce regions. According to calculations, if temperatures increase by 2 degrees Celsius by 2100, there will be an additional 8% of the world population into a situation of water scarcity. While there are a few places in the world fall into drought, the other a couple of zones at risk, "immersed in sea water."
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