Clean drinking water is essential for human beings and other creatures, even if water does not contain calories or nutrients as organic compounds. However, a population of 1 billion people still lack clean drinking water and more than. 2.5 billion people lack adequate sanitation [7] There are tied together for clean water and GDP per person [8] However, Analysts noted some people estimated that by the year 1948. More than half the world's population 2025 will be experiencing water-related risks [9] The latest report in November 2009, reports that in 1951. 2030 in developing countries, there will be a demand for water will increase water quantity occurred over 50% [10] water plays a critical role in the global economy. Approximately 70% of the fresh water humans use goes to agriculture.
การแปล กรุณารอสักครู่..
