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 Water Pollution – Definition, Causes, Effects and Prevention Introduction Water is one of the most important natural resources on Earth. It is essential for the survival of all living organisms including humans, animals and plants. However, due to increasing human activities, water is getting polluted. Water pollution is a serious environmental issue that affects both nature and human life. Clean water is necessary for drinking, agriculture and maintaining ecosystems. Therefore, it is important to understand water pollution and how to control it. What is Water Pollution? Water pollution is the contamination of water bodies such as rivers, lakes, oceans and groundwater by harmful substances. These harmful substances are called pollutants and make the water unsafe for drinking and other uses. Causes of Water Pollution There are many causes of water pollution. Industrial Waste Factories release harmful chemicals into rivers and lakes which pollute the water. Sewage and Wastewater Unt...

 Air Pollution – Definition, Causes, Effects and Prevention Introduction Air pollution is one of the most serious environmental problems in the world today. It occurs when harmful substances such as gases, dust and smoke mix with the air and make it unhealthy to breathe. Clean air is essential for the survival of all living organisms. However, due to human activities, the quality of air is getting worse day by day. Air pollution affects not only humans but also animals, plants and the environment. What is Air Pollution? Air pollution is the contamination of air by harmful substances that can cause damage to living organisms and the environment. These harmful substances are called pollutants. Causes of Air Pollution There are several causes of air pollution. Vehicles Vehicles release harmful gases such as carbon dioxide and carbon monoxide into the air. Industries Factories and industries release smoke and harmful chemicals that pollute the air. Burning of Fuels Burning coal, petrol...