Air & Transportation
- HOME
- Policies
- Air & Transportation
- State of Japan&'s Environment at a Glance: Air Pollution
State of Japan&'s Environment at a Glance: Air Pollution
Air pollution caused by sulfur dioxide decreased dramatically because of regulations on emissions from stationary sources and on sulfur content of fossil fuels. However, air pollution caused by nitrogen dioxide has not declined because of the continued growth in automobile use.