air pollution

Author

Institution

Instructor

Course Code

June 4 , 2009

Air Pollution

Outline

Introduction

Thesis Statement

Air Pollution

Introduction

It is almost a truism that ever since the human species lit the first fire , human activity driven air pollution gained prominence and its effects have ranged from insignificance to levels of grave concern . On an almost insignificant level , air pollution due to point source releases causes localized responses such like annoyance and physical injuries . Urban air pollution which is mainly attributable to increases in gas

and particle concentrations originating either from coal combustion or motor vehicle emissions have been incriminated in serious health effects . When air pollution is viewed from a regional scale , acid depositions and tropospheric ozone formations have raised concerns that these air transformations may necessitate the progression of catastrophic effects . Finally , on a global scale , green house gas emissions and stratospheric ozone depletion represent extensive planet scale assaults on the integrity of the atmospheric environment

Thesis Statement

Human activities are a major source of pollutants that have the liability to cause negative consequences for human and environmental health

Air Pollution

As defined by the Royal Commission on Environmental Pollution pollution is

The introduction by man into the environment of substances or energy liable to cause hazard to human health , harm living resources and ecological systems , damage to structure or amenity or interference with legitimate use of the environment (Colls 1 Air pollution is thus only related to the atmospheric environment . The broadness of the definition specifically eliminates chemical emissions...