1. Air Pollution: in Pakistan the most common source of air pollution is mainly vehicles whose exhaust fumes pollute the air. Unlike other developed countries where there are catalyc converters and efficient vehicles which may cause less pollution, the situation in Pakistan is totally opposite. As most of the people are poor they don’t have enough money to repair or spend money on their vehicles so that they can become environment friendly. Even the car manufacturers don’t make their cars much environment friendly and the people are forced to buy these cars. More fuel is burned as most roads of Pakistan are broken and there are a lot of traffic jams which increases the journey time. Many industries in big cities such as Karachi and Lahore give out harmful pollutants such as sulphur dioxide and carbon monoxide. The government and the authorities take little concern about these industries. As a result of this the sky of Lahore and Karachi are covered with thick smog .This may lead to many respiratory diseases and may also be harmful to the animals living in such places. Even in Islamabad, the cleanest city in Pakistan I could see thick smog over the city from the Margalla hills and while traveling to Murree there was so much of exhaust fumes from vehicles that we had to keep our car windows closed.
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