Air Pollution.

Nowadays, the percentage of air pollution is become increase. There are many negative effect of air pollution. The negative effect of air pollution must be controlled and prevented. One negative effect is the health problem it can cause such as skin disease, headache, and foetal defects. Another is the depletion of food resources for humans and animals. This is because due to too much soot and dust, leaves are unable to absorb for photosyntesis. In addtion, pulluted acid rain in water bodies threatens human and aquatic life. Air pollution also causes the thinning of the ozone layer and exposes the earth to excessive amounts of ultraviolet which can destroy crops and cause skin and eye damage.

There a steps to control and prevent air pollution. Factories should mount filters in chimneys to prevent air pollutions from escaping. Motor vehicles need to reduce combustion and fix catalytic converters in the exhaust systems to convert poisonous gases to non-poisonous gases. Furthermore, drivers should use unleaded petrol. All of us should throw rubbish in designated containers and agricultural farmers should avouid using pesticides and use biological pest control methods instead. To ensure that the environment is protected, the autorities must enforce tighter laws for pollution control and prevention.