5. Pollution
Pollution is defined as the undesirable alteration of the natural environment due to harmful pollutants, affecting health and ecosystems. Various types of pollution, including air, water, soil, noise, thermal, and radioactive, are caused by both natural and human-made sources, each having significant effects on human health, wildlife, and the economy. Prevention and control measures involve adopting cleaner technologies, promoting recycling, and enforcing environmental laws.
Enroll to start learning
You've not yet enrolled in this course. Please enroll for free to listen to audio lessons, classroom podcasts and take practice test.
Sections
Navigate through the learning materials and practice exercises.
What we have learnt
- Pollution negatively impacts health, ecosystems, and the economy.
- Different types of pollution stem from specific causes and have unique effects.
- Preventive measures can be implemented to mitigate pollution's harmful effects.
Key Concepts
- -- Pollution
- The undesirable change in the natural environment due to the presence of harmful substances.
- -- Air Pollution
- Contamination of the atmosphere due to harmful gases and particles from various sources.
- -- Water Pollution
- The introduction of harmful substances into water bodies, rendering them unsafe for use and affecting aquatic life.
- -- Soil Pollution
- The presence of toxic chemicals in soil, primarily due to agricultural practices and improper waste disposal.
- -- Noise Pollution
- Harmful levels of noise, often from urbanization and industrial activities, leading to health problems.
- -- Thermal Pollution
- The increase in water temperature due to industrial discharges, adversely affecting aquatic ecosystems.
- -- Radioactive Pollution
- Contamination from radioactive substances, often resulting from nuclear power generation or waste disposal.
Additional Learning Materials
Supplementary resources to enhance your learning experience.