It took hundreds of thousands of years for the world population to grow to 1 billion, then in just another 200 years or so, it grew sevenfold. In 2011, the global population reached the 7 billion mark. This year, the number will hit 8 billion and it's expected to grow to around 8,5 billion in 2030, 9,7 billion in 2050, and 10,9 billion in 2100.
This dramatic growth has been driven largely by increasing numbers of people surviving to reproductive age, and has been accompanied by major changes in fertility rates, increasing urbanization and accelerating migration. These trends will have far-reaching implications for generations to come.
Providing food for the constantly increasing global population in a sustainable way is not an easy task. In conjunction with the fresh water scarcity, especially in areas of rapidly growing population, turns the need for better irrigation practices, a necessity.
Drip irrigation is by far the most sustainable irrigation method which enables farmers worldwide to increase crop production while at the same time reduce the water, chemicals and nutrients consumption.
Source: The United Nations
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