Green Chemistry and Nanochemistry — Chemistry STD 12 Science — Question

Green Chemistry is the use of chemistry for pollution prevention by environmentally conscious design of chemical products and processes that reduce or eliminate the use or generation of hazardous substances.
Disadvantages of Nanotechnology:

1. It has increased pollution, including air pollution (nano pollution).
2. Nanoparticles can harm the lungs. Particulate matter inhaled can be deposited throughout the human respiratory system and then in the lungs.