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| 08/02/2010 |
Construction Blamed For Greenhouse Gases |
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The building industry is currently responsible for almost 40% of global greenhouse gas emissions, with residential homes consuming 27.5% of the world's electricity.
However, a focus on space heating and cooling, hot water systems, appliances, indoor lighting, and refrigeration can deliver 60 – 80% reductions in energy demand in residential homes.
That's according to Factor Five, a book on transforming the global economy through 80% improvements in resource productivity, by Ernst Von Weizsäcker, Karlson Hargroves, Michael H. Smith, Cheryl Desha and Peter Stasinopoulos.
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It relates that, the German Passive House Institute has shown that ultra-efficient buildings can be designed that require less than one tenth of the energy demanded for space heating than average traditional buildings.
It said that commercial building consume 23.6% of the world's electricity, and a focus on heating, ventilation and air-conditioning (HVAC), indoor lighting, and office equipment can deliver 60 – 80% reductions in energy demand in commercial buildings.
THings can be done, as the Pearl River Tower in China, the world's first 'zero-energy' skyscraper, will use nearly 60% less energy than a traditional building of similar size.
(BMcC/GK) |
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