Trees Do More

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During a 50-year life span, one tree will generate approximately £18,000 worth of oxygen, recycle £21,000 worth of water, and clean up £36,000 worth of air pollution or £75,000 total per tree without including any other values![1]

They Help to Save Energy

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Direct economic benefits are usually associated with energy costs. Air-conditioning costs are lower in a tree-shaded building. Heating costs are reduced when a building has a windbreak. Trees also afford physical protection to the fabric of the building. Green roofs have now been shown to double if not triple the life of waterproofing membranes beneath the green roof.[2]

They Raise Property Value

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Trees create a landscape which is attractive to industry and commerce, an environment where people want to live and work. Therefore, trees and shrubs properly placed and cared for on a residential or commercial lot can significantly increase property values (the presence of trees can increase the value of residential and commercial property by 5%-15%).[3]

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[1] USDA Forest Services: http://www.treelink.org/docs/29_reasons.phtml
[2] Living Roofs.org: http://www.livingroofs.org/livingpages/benextendedlife.html
[3] London Borough of Sutton: http://www.sutton.gov.uk/index.aspx?articleid=4351