Environmental Pollution
Any undesirable change in the physical, chemical, biological characteristics of the environment can cause harmful effects on life. Types include air, water, soil, and noise pollution. Air pollution can be from natural sources like volcanic eruptions and man-made sources like industrial activities. Indoor air pollution, particularly radon gas, has significant health implications. The effects of air pollution on human health, plants, aquatic life, and materials are concerning. Control measures involve proper industrial siting, using low sulfur coal, and removing pollutants like sulfur and NOx during combustion.
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Presentation Transcript
Environmental Pollution Deekshitha U G Assistant professor Dept. Of Physics
INTRODUCTION: Any undesirable change in the phyical, chemical, biological characteristics of any component of the environment (air, water, soil) which can cause harmful effects on various forms of life or properties
Types of Environmental Pollution Air Pollution Water Pollution Soil Pollution Noise Pollution
Air Pollution Natural sources: volcanic eruption, forest fire, sea salt sprays, biological decay, photochemical oxidation of terpenes, marshes, pollen grains Man-made: power plants, industrial units, vehicular emissions, fossil fuel burning, agricultural activity
Indoor Air Pollution: The most important indoor ait pollutant is radon gas. Radon gas and its radioactive daughters are responsible for a large number of lung cancer deaths each year. Radon can be emitted from building materials like bricks, concretes, tiles etc. Which are derived from soil containing radium
Effect of air pollution 1.Effects on Human Health 2.Effects on Plants 3.Effects on aquatic life 4.Effects on materials
Control of Air Pollution 1. Siting of industries after proper environmental impact assessment studies. 2. Using low sulphur coal in industries 3. Removing sulphur from coal 4. Removing NOx during the combustion process
