Environmental Science (3012N) III Semester

Environmental Science (3012N) is a Hindi medium polytechnic textbook for III Semester diploma students of electrical, civil, mechanical and CS branches. The book is organised in five units: - Ecosystem - Air and Noise Pollution - Water and Land Pollution - Renewable Sources of Energy - Solid Waste Management and Environmental Laws It explains how ecosystems work, the sources, effects and control of air, noise, water and land pollution, the main renewable energy sources, and how solid waste is managed, along with the environmental laws that engineers and industries must follow. The book has 208 pages (2026 edition) and is written by Dinesh Kumar Ghasoliya and Savita Puniya. For third-semester polytechnic students preparing for the Environmental Science (3012N) examination.