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More than 5 billion people could face water
shortages by 2050 due to climate change, growing demand and contaminated supplies, according to a new report from the United Nations.
UN: 5.
7 billion people worldwide will suffer from water insecurity by 2050
This suggests that serious conflict can lead to serious conflict unless action is taken to reduce pressure
on rivers, lakes, wetlands and reservoirs.
According to the United Nations, the world uses about 4,600 cubic kilometers of water each year, of which about 70% is used for agriculture, 20% for industry and 10% for households
.
Global demand for water has increased sixfold over the past century and continues to grow
at a rate of 1% per year.
This, combined with the fact that the world's population could increase from 7.
7 billion today to 10.
2 billion, means that up to 5.
7 billion people could live in water-scarce areas by 2050, compared to 3.
6 billion people today.
Water scarcity is expected to occur mainly in Mexico, western South America, southern Europe, China, Australia and South Africa
.
The number of people at risk of flooding will also increase from 1.
2 billion to 1.
6 billion
, the report said.
These problems are becoming more acute
.
Currently, the residents of Cape Town face serious water supply problems
due to water depletion.
，
More than 5 billion people could face water
shortages by 2050 due to climate change, growing demand and contaminated supplies, according to a new report from the United Nations.
UN: 5.
7 billion people worldwide will suffer from water insecurity by 2050
7 billion people worldwide will suffer from water insecurity by 2050
This suggests that serious conflict can lead to serious conflict unless action is taken to reduce pressure
on rivers, lakes, wetlands and reservoirs.
According to the United Nations, the world uses about 4,600 cubic kilometers of water each year, of which about 70% is used for agriculture, 20% for industry and 10% for households
.
Global demand for water has increased sixfold over the past century and continues to grow
at a rate of 1% per year.
This, combined with the fact that the world's population could increase from 7.
7 billion today to 10.
2 billion, means that up to 5.
7 billion people could live in water-scarce areas by 2050, compared to 3.
6 billion people today.
Water scarcity is expected to occur mainly in Mexico, western South America, southern Europe, China, Australia and South Africa
.
The number of people at risk of flooding will also increase from 1.
2 billion to 1.
6 billion
, the report said.
These problems are becoming more acute
.
Currently, the residents of Cape Town face serious water supply problems
due to water depletion.
，
