How Much Does Construction Site Pollution Impact The Environment?

Building and road construction have played a significant role in cultures and societies from the beginning of time. Historically, construction utilized natural materials: the Mayans used quarried stones to build their temples, Solomon had access to the cedars of Lebanon, and the Bedouins constructed their tents from the hides of camels and goats.

Today, however, an increasing amount of manmade materials are being used in construction projects; these materials are altered from nature and cannot be re-circulated in the cycle of life. Regardless of the type of materials used, it must be acknowledged that all construction, to some degree or another, disrupts the normal course of nature. Just how much does construction impact environment? What becomes of the waste or pollution caused by construction?

Types of Pollutants
The first issue to be addressed in the discussion of construction pollution is the type of pollutants involved. Identification allows for evaluation of the impact on the environment. There are various categories of construction pollutants:

• Dust – Construction sites are some of the best breeding grounds for dust. Saws cut into lumber, metal and a host of synthetic materials; masonry blocks are moved and cement dust is swept, all of which sends particles of dust and masonry debris circulating into the air.

• Chemicals – The invention of modern bonding materials, such as glues, caulking and sealants, have made construction sites home to many chemical smells.

• Diesel Fumes – Dump trucks, bulldozers and backhoes are just a few of the pieces of equipment used at construction sites. Running the engines of all of these machines spouts diesel exhaust into the air.

• Environmental Noise – Although not widely considered a pollutant, noise actually does pollute the environment. (

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Personal Impact of Pollutants
Evaluating the effect of pollutants requires looking at a broad area of potential impact. How does construction affect individual people, local water sources and the general environment? One area that has been massively affected by construction is the United Arab Emirates. As construction has boomed in the UAE, so has the incidence of respiratory disease among children. Many people point directly to the air pollution caused by all of the construction as the cause of this increase. What exactly is polluting the air? It is the demolition of old buildings, the use of multitudes of diesel engines and the burning of building scraps that contain toxic materials? Dust and exhaust from these sites means that soot, silicates, hydrocarbons, plastics, nitrogen oxides, sulphates and fumes from a host of materials such as paint thinners, varnish, treated woods, etc. are being released into the air (

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The example of the UAE) reveals the very personal effects of construction pollution, which include an increase in respiratory illnesses (such as bronchitis, asthma, etc.) and certain cancers. In fact, according to statistics, 13% of people in the UAE suffer from asthma, and 40% of those people are children.

California is another area with booming construction. There, the Union of Concerned Scientists has issued a booklet outlining specific effects of construction in the state, linking it to premature deaths, lost work days, school absences, acute bronchitis, respiratory and cardiovascular hospitalizations and asthma (

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Environmental Impact
Construction, by default, has a negative impact on the environment as land is cleared and trees are cut down. Even the removal of small vegetation has a drastic impact on the environment. The same pollutants that affect human health have an impact on the plant and animal life in the surrounding areas. Research on construction sites reveals that “transportation resources,” or the means required to transport construction materials, has the largest environmental impact (

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One must also keep in mind the additional effects of construction wastes, inert water waste, damage to the normal balance of nature and the effect that the various pollutants have on wildlife.

Pollution Comparisons
If you still think that construction is really not a great cause of environmental pollutants, think again. A “big rig” truck would have to travel for nearly 1,000 miles to produce the same amount of pollution emitted by a backhoe that is used for one hour and nearly 1500 miles to compare with the pollution released during one hour of running a bulldozer (

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Ways to Reduce Impact
Simply knowing the environmental impact of construction is not enough. Something must be done to reduce it. Often times it is many small things that add up to have one big, positive effect. Construction companies must be conscientious of how their movements affect the environment. They must step up and take responsibility. There are many ways that they can do this including:

Buy local products to reduce transportation costs

Use activated carbon filtration

Spray off dump trucks and other vehicles that move in and out of construction areas to reduce the spread of dust

Use alternate fuels

Water roadways and clean work surfaces

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Construction will almost certainly continue as long as mankind exists. However, one generation can pay forward to future generations by standing up and being responsible for the pollutants caused by progressive construction.

Chris Turberville-Tully, who studied environmental issues in college, writes for

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