Contents:– Introduction; Noise Level Monitoring at Nganglam, Bhutan; Noise Pollution; Ambient Noise Level near the Mining Area and Narayan Sarovar Wildlife Sanctuary; Noise Monitoring and Assessment at Larsemann Hills, East Antarctica; Dioxins; Toxic Effect of Air Pollution and its Remediation Technique; Environment Impact Assessment of Highway Development/Expansion; Environmental Standards with special reference to Air Quality and Noise Level