Thursday, October 4, 2012

Pollution and Plant Health

Pollution is the introduction of harmful contaminants into air, water or soil. These contaminants can have dire effects on entire ecosystems, making life more difficult for humans, plants and animals. Children and the elderly are particularly susceptible to the health effects from these toxins. In many cases, exposure to pollution has a cumulative effect on the body.

Air Pollution
Air pollution consists of solid particles and gases. Many pollutants are carcinogens. People who breathe in these poisons are at a higher risk for asthma and reproductive-system damage. According the U.S. Environmental Protection Agency, birth defects can also be caused by air pollution. A 1995 study found a link between air pollution and increased deaths from cardiovascular and respiratory problems. Humans are not the only living creatures affected by toxic air pollutants. Some toxins, like mercury, settle onto plants and into water sources that are then consumed by animals. The health effects of these poisons are then magnified up the food chain. Animals that are at the top of the food chain end up with the largest concentrations of toxins in their bodies.

Water Pollution
Water is a necessity of life. People and animals need clean drinking water. Farmers need water to irrigate crops. People enjoy using lakes and rivers for recreation. Unfortunately, this precious resource is easily contaminated by agricultural runoff, mining activities, waste treatment plants and improperly disposed-of industrial waste. The U.S. Environmental Protection Agency monitors 80 different contaminants that may affect drinking water. Microbial contaminants include bacteria and viruses. Most people can fight off the microbial contaminants, however, people with compromised immune systems can get dangerously ill. Contaminants like solvents, pesticides, radium and arsenic are more sinister. This type of pollution can cause long-term health problems for people. Wildlife can also die from exposure.

Soil Contamination
Soil contamination consists of either liquid or solid particles mixed with soil. The contaminants may be physically attached to the soil particles or they may be in the spaces between the soil particles. Contamination results when hazardous substances are spilled or buried in the soil. It can also occur when pollutants settle on the soil, such as chemicals or waste from an industrial smokestack. Plants grown in contaminated soil take up the hazardous substances through their roots. Humans or animals that ingest these plants may get sick. People and animals can also inhale soil contaminants through dust that is present in the air or absorb these hazardous chemicals through their skin.

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Presented by:
Greens Keeper Landscape Maintenance, LLC
623-848-8277

http://www.commerciallandscapecare.com
greenskeeperllc@cox.net

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