Water is a natural energy that comes from the earth and all of the living being on earth are depend on the water, without water humans and animals are dead. 75% of the surface of the earth is covered by the water, despite the amount of the water on the earth is abundant the problem is the amount of the fresh water that we have. About 97.5% of all water on the earth is salt water, this means that we only have 2.5% of fresh water left. Approximately 70% of the fresh water is frozen and trapped inside the icecaps of antarticas and greenland, we cannot obtain this fresh water to fulfill our needs. Furthermore less than 1% of all the earth’s fresh water left to satisfy our needs. This water come from the lake, …show more content…
When organic matter in the water increases the number of decomposers will also multiply, this could make aquatic animals suffocated and die because decomposers will need a lot of oxygen to grow. As the aquatic animals died the decomposers need to process them and that action needs oxygen again to proceed. A kind of organic pollution can occurs when the water contains inorganic materials like nitrogen and phosphates. This substances make aquatic plants and algae overgrowth, this also can kill the ecosystem inside the water because the plants need oxygen to process their food, furthermore when most of the plants died decomposers need to decompose the plants which will make the oxygen level inside the water becomes …show more content…
Water scarcity is already affect every continent, around one – fifth of the world’s population live in area physical scarcity, and 500 billion almost have the same problem, another 1.6 billion people in the world have economic water shortage where the countries lack of infrastructure to take the water from the river or lake. Water use has been growing since the population on the earth is increasing. Fresh Water supply could be affected by the climate change because of the rising temperatures and shifting in rainfall patterns. These could change the water supply availability because of extreme weather like droughts and floods. Water scarcity is both natural and human-made phenomenon, there is enough water for seven billion people on the planet but it is unevenly managed and most of the source is polluted, wasted, and badly