Purification of Air by Trees
Trees exert a positive influence upon the environment. According to Trees Are Good, a website about the benefits of planting trees, trees moderate climate, affect wind speed, protect people from floods and purify the air by removing carbon dioxide, dust and other pollutants.
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What Is Air Purification?
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Air purification is a process by which pollutants that are harmful or irritating to the human body are removed from the air before the reach the lungs. Many companies sell air purifiers--machines that work to purify the air--but the air can also be purified naturally by trees and shrubs.
Trees and Air Filtration
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Trees purify the air by filtering out dust and pollutants. According to Trees Are Good, solid pollutants get caught in tree leaves. When it rains, the pollutants are washed off the leaves and fall to the ground, where they are absorbed by soil. Dust and other solid pollutants are not harmful to the ground.
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Photosynthesis and Air Purification
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According to Domtar, a recyclable paper production company, the process of photosynthesis purifies the air. Photosynthesis is the process by which plants convert energy from sunlight into food. Trees Are Good says that as part of this process, trees absorb carbon dioxide and release oxygen into the air.
Best Trees for Air Purification
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According to the WebEcoist website, palm trees are the best air purifiers. Both the Areca and the lady palm trees are considered excellent purifiers. These trees thrive in both dry and moist environments; the lady palm tree kills insects as well as purify air.
Other Environmental Benefits of Trees
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Trees Are Good says that trees positively influence the environment in several other ways. According to the website, trees moderate the climate, provide shade, and harbor wildlife. Trees also conserve water by soaking flood water through their roots, which helps to prevent flooding in coastal areas.
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References
- Photo Credit trees image by Marta Reimpell from Fotolia.com
