Friday, April 6, 2012

Urban Heat Island and Trees

Last year we discussed Urban Heat Islands and the effect that they have on the environment and how building owners could help diminish it. One of the ways was to install a cool roof system on a building, like an elastomeric coating system. The other was to increase vegetation around the building.

Source: wikimedia.org
Many cities have put into place a Tree Protection ordinance, prohibiting removing or pruning of trees without a permit. San Antonio, Texas actually requires different levels of free protection based on tree class or location.

There are also Street Tree ordinances that govern how to plant and remove trees along public right-of-ways and land that is privately owned but accessible by the public. For example, Orlando, Florida specifies that trees must be planted along both sides of a street, with one tree every 50 to 100 feet.

Parking lot shade is another way to help reduce the heat island effect and increase vegetation. In Sacramento, California, for example, a code in their zoning code requires that enough trees be planted to shade 50 percent of new parking lots after 15 years of tree growth.

So if you are looking to build or renovate your building, keep environmental concerns in mind and contact your city and see what steps can be taken to minimize the Urban Heat Island.

2 comments:

  1. Hey there! This could help me out with my business. I'll be looking forward for your other posts as well. Keep it up! Thank you so much for sharing this information. You have such an awesome page. In addition, a roofer specializes in roof construction, concentrating on the application of materials that water proof and / or weather proof buildings, designed material—as a substrate for the roofing materials to be installed on. The rafters, beams, and trusses are the frame or skeleton for the roof to be built upon. Naturally, a roofer must not be too scared of heights and have good balance as well as carpentry skills. In Australia this type of carpenter is called a roof carpenter and in that country a roofer is someone who puts on the roof cladding (tiles, tin, etc.). In the USA a well trained roofer is called a journeyman. In California, if a journeyman wishes and has three consecutive years working in the field, he is eligible to pass a state test for a contractors license. When it comes to roofing, finding the right contractor for your needs can mean the difference between a job done right – and a job done over. And when you live in Maine, it’s important that you hire a roofer that understands the severe weather that Maine gets – and can replace/install your roof accordingly. The last thing you want is to have to call you roofer in the middle of severe weather because your house is leaking.
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