I nte r nati o nal e n g LI s h lan g uag e testi n g syste m

A second approach could involve a change to municipal traffic regulations. For 

example, some metropolitan cities have imposed carpool lanes to help encourage 

people to commute together to work. This approach has proved its effectiveness in 

London, Toronto and New York City, and thus would be a plausible approach to pollu-

tion issues in other large cities.

As the above examination has made clear, alternative energy sources and evolved 

traffic regulations would be effective counters to the world’s current airborne pollu-