AN ENVIRONMENTAL ISSUE

Pollution is the undesirable change in the physical, chemical, and biological conditions of the environment. It may harmfully affect human life, plants and animals, industrial and commercial processes, recreational and cultural assets. One of the most common air related problem is the photochemical smog. What is a Photochemical smog? As define by the science dictionary, A photochemical smog is the result of pollutions from the exhausts of vehicles (particularly nitrogen oxide & hydrocarbons) and factory smokestacks. One of the major products of the photochemical reaction is the formation of ozone at the ground level. These gases (nitrogen oxide, nitric acid, peroxyacyl nitrates, aldehydes, & hydrocarbons)cause eye and throat irritation, impaired lung function, nausea & headache to humans, and damage trees & various crops. As a biology student, it is in our own way on how cope up with this problem for we deals about life. One way is a signature campaign, trying the government to act on this common problem.