Sample on The Problem of the Water in the World

Sample on The Problem of the Water in the World The Problem of the Water in the World May 16, 2019 in Ecology Introduction The XXI century is characterized by the strong growth of the world population and the development of urbanization. Nowadays, there are megacities with the population of over 10 million people. As a result of the development of industry, transport and energy as well as the industrialization of agriculture human impact on the environment has taken a global nature. It has led to the fact that fresh water consumption has increased by seven times, including that used for municipal drinking purposes, which increased by 13 times. Nowadays, water along with energy and food has become one of the major global problems. Nowadays, there is the lack of water resources in many regions of the world. The shortage of drinking water is obvious and extremely acute in some regions of the Earth. Freshwater Resources Freshwater resources exist because of the eternal cycle of water. Thus far, it is believed that water is indestructible and is recycled through the hydrologic cycle. As a result of evaporation, there is a huge amount of water reaching 530 thousands of cubic meters per year. 85% of this amount falls on the salty waters of the oceans and inland seas. The rest of water evaporates on dry land. Each year, about 1250 millimeters of the water layer evaporates. The major part of it falls with precipitation into the ocean.