This section contains all the help text for using various i-Tree software tools. Typically, you'd find yourself directed to a specific help page from within a tool. However, you may have landed here by other means. If so, you may wish to visit our main website:
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Learn more about the benefits that trees provide at www.itreetools.org.
Trees remove pollutants from the air.
Poor air quality is a common problem in many urban areas. It can lead to health problems, landscape damage, degraded ecosystems, and reduced visibility.
- Carbon monoxide (CO) interferes with oxygen delivery within the human body.
- Nitrogen dioxide (NO2) contributes to ozone and fine particle pollution and is linked to adverse respiratory system effects.
- Ozone (O3) is harmful near the ground and can worsen lung diseases such as asthma, particularly in children.
- Particulate matter (PM), or particle pollution, is a complex mixture of extremely small particles and liquid droplets that can cause serious health effects.
- Sulfur Dioxide (SO2) can make breathing difficult. It contributes to acid rain and can react with other compounds in the atmosphere to form visibility-reducing haze.
Trees absorb carbon dioxide from the air and store it as wood.
Carbon dioxide (CO2) is a greenhouse gas that traps heat in the atmosphere.
- It enters the atmosphere through burning fossil fuels (coal, natural gas, and oil), solid waste, trees and wood products, and also as a result of certain chemical reactions (e.g., manufacture of cement).
In addition, your trees:
- Enhance property values
- Improve health and well-being
- Reduce storm water runoff
- Lower summer air temperatures
- Provide wildlife habitat
- Provide aesthetic benefits