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25 January, 2020 00:00 00 AM
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For eco friendly brick kilns

For eco friendly 
brick kilns

With the acknowledged fact that Bangladesh is at the sharp end of climate change impact, a general understanding is that the more we adopt greener options the better. Keeping this in mind, pressure on top soil usage has to be reduced and emphasis given to the use of sand cement blocks in construction, which is eco-friendly bricks. The problem with bricks is twofold. Firstly, there is valid concern about the ecological devastation caused by traditional brick kilns and, secondly, bricks made from top soil adversely impact fertility.

Every year, 25 billion bricks are made, using 60 million tonnes of top soil. Reportedly, the brick kilns consume 5 million tonnes of coal, 3 million tonnes of wood, releasing 15 million tonnes of carbon into air. In fact, in Bangladesh, which is seeing construction boom in all major cities and suburban towns, green building guideline must be made mandatory with eco-friendly construction ideas propagated through regular real estate related exhibitions. While there is talk about sand cement blocks, other less expensive and easily available environmentally friendly options are already being explored. The eco friendly bricks now available are made of a compressed composite material consisting of river mud and cement. The bricks do not require firing in a kiln, but simply harden in the sun.

The new bricks are also lighter than traditional ones, making them easier and cheaper to transport. In addition, the clay for the bricks can be acquired by dredging rivers, which will save top soil. In leading cities in our country, construction in the last one decade has been relentless with little attention given to the environment factor. Consequently, ponds have been filled, open spaces occupied, parks turned to colonies and trees cut off. Just switching to sand cement blocks in not the answer here; the whole construction process needs to undergo a transformation buffeted by a mass ecological awareness. The government can start taking the lead, mentioning specifically on each new construction, the list of pro environmental measures adopted so this can work as a guide for others. In addition, in association with environment work related development agencies, the government can introduce a green prize to be awarded to real estate companies that follow a comprehensive eco- friendly guide, with the provision for tax rebates when the real estate project covers several large buildings. The major hurdle is to change people’s mind from an item used for decades to something which is completely new. In this case, a cohesive sensitizing campaign with help from NGO’s can be evaluated.

 

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Editor : M. Shamsur Rahman

Published by the Editor on behalf of Independent Publications Limited at Media Printers, 446/H, Tejgaon I/A, Dhaka-1215.
Editorial, News & Commercial Offices : Beximco Media Complex, 149-150 Tejgaon I/A, Dhaka-1208, Bangladesh. GPO Box No. 934, Dhaka-1000.

Editor : M. Shamsur Rahman
Published by the Editor on behalf of Independent Publications Limited at Media Printers, 446/H, Tejgaon I/A, Dhaka-1215.
Editorial, News & Commercial Offices : Beximco Media Complex, 149-150 Tejgaon I/A, Dhaka-1208, Bangladesh. GPO Box No. 934, Dhaka-1000.

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