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Soil contamination, soil pollution, or land pollution as a part of land degradation is caused by the presence of xenobiotic (human-made) chemicals or other alteration in the natural soil environment. It is typically caused by industrial activity, agricultural chemicals or improper disposal of waste .
Various definitions of pollution exist, which may or may not recognize certain types, such as noise pollution or greenhouse gases.The United States Environmental Protection Administration defines pollution as "Any substances in water, soil, or air that degrade the natural quality of the environment, offend the senses of sight, taste, or smell, or cause a health hazard.
Land use — Built environment • Desertification • Habitat fragmentation • Habitat destruction • Land degradation • Land pollution • Lawn-environmental concerns • Trail ethics • Urban heat island • Urban sprawl; Nanotechnology — Impact of nanotechnology
The United Nations estimate that about 30% of land is degraded worldwide, and about 3.2 billion people reside in these degrading areas, giving a high rate of environmental pollution. [2] Land degradation reduces agricultural productivity, leads to biodiversity loss, and can reduce food security as well as water security.
Pollution from the Exxon Valdez oil spill. As with many countries, pollution in the United States is a concern for environmental organizations, government agencies, and individuals. Billions of pounds of toxic chemicals are released into the air, land, and waterways in the U.S. each year.
Environmental remediation is the cleanup of hazardous substances dealing with the removal, treatment and containment of pollution or contaminants from environmental media such as soil, groundwater, sediment. [1] Remediation may be required by regulations before development of land revitalization projects.
Diseases caused by pollution, lead to the chronic illness and deaths of about 8.4 million people each year. However, pollution receives a fraction of the interest from the global community. [1] This is in part because pollution causes so many diseases that it is often difficult to draw a straight line between cause and effect.
This article is a list of environmental disasters. In this context it is an annotated list of specific events caused by human activity that results in a negative effect on the environment . Main article: Environmental disaster