Which of the following statements regarding global environmental initiatives are correct? 1. Agenda 21 emerged from the Rio Summit. 2. SDGs replaced MDGs. 3. Kyoto Protocol included binding targets for developing countries. 4. Paris Agreement uses Nationally Determined Contributions (NDCs).

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: