वायु प्रदूषण, जिसके कारण वैश्विक स्तर पर हर साल लाखों लोगों की जान जाती है, मुख्य रूप से किसके कारण होता है?

Prolonged occupational exposure to excessive noise from heavy machinery without hearing protection causes noise-induced hearing loss. Excess noise is categorized as a:

Long-term exposure to indoor air pollutants, such as smoke from burning biomass fuels, significantly increases the risk of developing chronic respiratory conditions like: