Environmental Management

While man tries to meet the needs of people on the planet today he should do so in a way which means that the planet… Read More »The Need for Environmental Sustainability

Man has however had an effect which has degraded the environment and is affecting his own Health. Climate The major way in which we are… Read More »Man’s Effect on His Environment

In order to have an understanding of the concept of environmental health, one must understand: what the environment is, which normal processes occur in the… Read More »Natural Processes that keep the Earth Stable

The heavy metals that are available for plant uptake are those that are present as soluble components in the soil solution or those that are… Read More »Hazardous Substances and Plant Growth

Hazardous substances are made up of chemical composition or other properties that are capable of causing illness, death, or some harm to humans and other… Read More »Effects of Hazardous Substances on Soil

According to the American Fisheries Society (AFS) Policy Statement, the impacts of chemical substances on the aquatic environment are many and as diverse as the… Read More »Effects of Hazardous Substances on Water and Aquatic Life

The toxicity of a substance is its capacity to cause injury once inside the body (Carson and Mumford, 2002). Humans are exposed to hazardous wastes… Read More »Hazardous Substances and Human Health

Management of hazardous wastes has been on the international environmental agenda from the early 1980s, when it was included as one of the three priority… Read More »Regulations and Laws Governing Hazardous and Toxic Substances

When broken down into their component parts, hazardous and toxic substances are composed of heavy metals and other harmful chemicals. Table 4.1 below lists some… Read More »Analysis of Some Hazardous and Toxic Substances

Having identified land as the main disposal medium in waste management identification of the suitability of potential landfill sites requires a comprehensive assessment of site… Read More »Environmental Factors Affecting Choice of Disposal Sites

The purpose of this unit is to describe the various options available for the treatment and disposal of hazardous substances/waste. In the preceding chapter, we… Read More »Hazardous Substance Treatment and Disposal

Hazardous substances seldom stay at the point of release. They move and are transported among the environmental mediums (air, water, soil and sediments, and biota).… Read More »Pathways of Hazardous Substances

This article describes the various sources of hazardous substances in our environment and the pathways through which they exist. Recall that hazardous substances are those… Read More »Sources of Hazardous Substances

Hazards posed by hazardous substances may either be safety related or health related. The properties that make substances hazardous are related to these hazards. The… Read More »Classification of Hazardous Substances

A hazardous substance is any substance, whether solid, liquid or gas, that may cause harm to your health. Hazardous substances are capable of causing significant… Read More »The Nature, Origin and Identification of Hazardous Substances

Certain atoms are radioactive, meaning that they emit radioactivity during spontaneous transformation from an unstable isotope to a more stable one. Radioactive pollution results from… Read More »Other Type of Environmental Pollution

With rainfed crops, salinization is not a problem because the salts are naturally flushed away. But when irrigation water is applied to crops and returns… Read More »Soil Salinization and Waterlogging in Irrigation

In the United States for instance, people are typically exposed to about 350 millirems of ionizing radiation per year. On average, 82% of this radiation… Read More »Sources of Radioactive Pollution