Water pollution ppt

What is water pollution? How to mitigate the water pollution? Pollutants get into water mainly by human causes or factors.

Any change or modification in the physical, chemical and biological properties of water that will have a detrimental consequence on living things is water pollution. It has been suggested that it is the leading worldwide cause of deaths and diseases, and that it accounts for the deaths of.

An estimated 7million Indians have no access to a proper toilet,. Under natural conditions, lakes, rivers, and other water bodies undergo Eutrophication,. Slide 15: The last form of water pollution is heat. Heat is a pollutant because increased temperatures result in the deaths of many aquatic organisms. These decreases in temperatures are caused when a discharge of cooling water by factories and power plants occurs.

POLLUTION PPT and PDF Free Download: Environmental pollution can be defined as a change that is not wished or desired in the chemical, physical, or biological characteristics of any component of the environment (air, water , and soil) which can cause harmful effects on various or many forms of life. It takes 0gallons of water to make four new tires. The water pollution accounts for the death of nearly 10people per day and in this issue, if we talk about India then it is estimated that every day 5people die due to the illness related to the water pollution.

Free Presentations in PowerPoint format. Watersheds and Polluted Runoff. When it is unfit for its intended use, water is considered polluted. Minimize your use of pesticides.

Never apply fertilizer or pesticides near a body of water. Grow or buy organic foods. Compost your food wastes. Do not use water fresheners in toilets. A common cause of thermal pollution is the use of water as a coolant by power plants and industrial manufacturers.

Elevated water temperatures decrease oxygen levels, which can kill fish and alter food chain composition, reduce species biodiversity, and foster invasion by new thermophilic species. Standing Ovation Award: Best PowerPoint Templates - Download your favorites today! This form of environmental degradation occurs when pollutants are directly or indirectly discharged into water bodies without adequate treatment to remove harmful compounds. Prevention and control of water pollution. Maintaining or restoring the wholesomeness of water.

Establishment of boards for the prevention and control of water pollution. To promote cleanliness of streams and wells.

Another source of water pollution is the discharge of hot water from cooling engines in the industries. This increases water temperature and lowers the metabolic rate of organisms. This then raises their oxygen demand. The effects of pollution are greater in shallow, enclosed or slow flowing streams. Polluted water is also harmful for agriculture as it adversely affects the crops and the soil fertility.

Pollution of sea water damages the oceanic life.