The proliferation of private cars on the roads in many parts of the world has led to serious problems of pollution and may contribute to global warming. Some people think that governments should spend money for the development of public transportation systems in order to help alleviate this problem. Others think it is better to spend money for the development of electric and other types of cars that may cause less pollution. Do you think it is better for governments to spend money developing public transportation or developing new kinds of cars?
Should the government impose a heavy tax on private car owners to improve the public transportation system to reduce the traffic problem in many cities? What are the advantages and disadvantages of such a solution?
Many people prefer to use public transportation while others say that personal cars are the best mode of transportation. Excessive use of private cars is considered to be the main reason for the traffic jam in many cities and that's why the use of public transportation is encouraged. In your opinion what are the pros and cons of using public transport?
Some cities have vehicle-free days when private cars, trucks, and motorcycles are banned from the city centre. People are encouraged to use public transportation such as buses, taxis, and metro on vehicle-free days. Do the advantages of having vehicle-free days outweigh the disadvantages?