Breathing disorders like COPD and pulmonary fibrosis require a combination of pharmacological tools, airway clearance techniques, and environmental management.
Air pollution can have both man-made and natural sources. The Eyjafjallajokul volcano in Iceland and Mount St. Helen in Washington illustrate the effect of natural causes of air pollution. However, humans continue to negatively impact their environments and contribute to air pollution.
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Industrial pollution is one of the primary sources of environmental contamination. According to the U.S. Environmental Protection Agency (EPA), air pollution levels rose 14 percent from 1990 to 2008. This trend reflects the amount of human-caused greenhouse gas emissions in the air.
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Pollution is the introduction of harmful materials into the environment. Sometimes naturally occurring substances can be unsafe if their presence causes damage or disrupts natural cycles in the ecosystem.
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The effects of air pollution are not confined to the atmosphere. Air pollution containing sulfur dioxide and nitrogen oxide causes acid rain, which in turn pollutes aquatic resources and soils. Air pollution is responsible for a host of other ills including ozone depletion, smog and impaired indoor air quality.
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