Types of Pollution

Noise Pollution

Introduction

1. Noise pollution refers to the excessive and unwanted sound that disrupts the natural balance and affects human and animal life.
2. Measured in decibels (dB), noise pollution is considered harmful above 85 dB.

Causes of Noise Pollution

1. Urbanization leading to increased traffic noise from vehicles and honking.
2. Industrial activities involving heavy machinery, factories, and construction work.
3. Loudspeakers, music concerts, and public events creating

Introduction

1. Soil pollution refers to the contamination of soil with harmful substances that reduce its fertility and productivity.
2. It is caused by a combination of natural and anthropogenic activities, affecting agriculture, ecosystems, and human health.
3. Major contaminants include pesticides, heavy metals, plastics, and untreated waste.

Causes of Soil Pollution

1. Excessive use of chemical fertilizers, pesticides, and herbicides in agriculture.
2. Improper disposal of

Introduction

1. Water pollution occurs when harmful substances contaminate water bodies, making them unsuitable for human use, aquatic life, and the environment.
2. It is a major environmental issue affecting rivers, lakes, oceans, and groundwater.
3. Main pollutants include chemicals, biological contaminants, heavy metals, and plastics.

Sources of Water Pollution

1. Industrial waste containing toxic chemicals, heavy metals, and dyes is often discharged into water bodies without proper treatment.

Introduction

1. Air pollution refers to the presence of harmful substances in the atmosphere that affect human health, wildlife, and the environment.
2. It is a significant environmental issue caused by both natural and anthropogenic activities.
3. Major pollutants include particulate matter (PM), carbon monoxide (CO), sulfur dioxide (SO₂), nitrogen oxides (NOₓ), and volatile organic compounds (VOCs).

Causes of Air Pollution

1. Burning of fossil fuels such as coal,