Global Warming and Sustainable Development
Global Warming, Water Crisis, and Sustainable Development
Global warming is expected to account for about 20% of the world increase in water scarcity for this century. Global warming is expected to change the global rainfall patterns, to exacerbate the collapse of glaciers in the mountains and droughts and severe floods.
Water consumptions in the world have grown sixfold over the last century, more than double the population growth rate, and it would grow rapidly in the coming decades. However, freshwater is readily available as a limited source, equivalent to less than 1% of the water on the Earth.
In addition, water and people all over the world are distributed unevenly; arid and semiarid areas receive only 2% of surface runoff, but they account for 40% of the Earth’s surface and make up half of the world’s poor. Ultimately, our existing freshwater resources are severely threatened by overexploitation, pollution, and global warming. Given this trend, fair supply of...
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