Human Enviromental Hazards

Topics: Hazard, Pathogen, Infectious disease Pages: 2 (333 words) Published: May 12, 2012
Environmental Hazards
Kenya Lewis
Environmental science
Instructor:  Donald Demoulin
Everest University
June 11, 2011

What are the four categories of human environmental hazards?

Culture Hazards are a person risky choice of their lifestyle. People engage in risky behavior and subject themselves to hazards. They may smoke cigarettes, eat too much, drive too fast, use addictive and harmful drugs, consume alcoholic beverage, sunbathe, engage in risky sexual practices, get too little exercise, or choose hazardous occupations. People usually subject themselves to these hazards because they desire some pleasure or other benefit from them. Wanting the benefit they are willing to take the risk that the hazard will not harm them. Biological hazards are the pathogenic bacteria, fungi, viruses, protozoan, and worms that plague on every society and indeed every person. They are inevitable components of our environment. Many are there regardless of our human presence and others are uniquely human pathogens whose access to new susceptible hosts is global diseases and the annual number of deaths they cause. Most of the diseases responsible for mortality are also leading causes of debilitation in humans of all ages. Physical hazards are natural disasters including hurricanes, tornadoes, floods, forest, fires, earthquakes, landslides, and volcanic eruptions. They are the outcome of hydrological, meteorological, or geological forces. Hazards like tsunamis, tornadoes, and earthquakes that are impossible to anticipate and hazards that are largely a consequence of choices people make about where they live. Chemical hazards are the industrialized host of technologies that employ chemicals such as cleaning agents, pesticides, fuels, paints, medicines, and those used directly in industrial processes. The manufacture use and disposal of these chemicals often bring humans into contact with them. Some of these chemical hazards are known as cancer causing agents. Many developing...

References: Environmental Science toward a sustainable future (Richard T. Wright, Dorothy F. Boorse) eleventh edition
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