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Buildings with ‘green envelopes’ can reduce air pollution by 20%
With 7 billion people expected to live in cities by the end of the century can the use of ‘green façades’ help to reduce energy consumption and improve air quality and people’s well-being?
A new study shows that moss and vegetated walls, vertical farming and roof gardens can significantly help combat air pollution.
The engineering consultancy Arup has used advanced computer software to provide a visual representation of the flow of gasses, and help determine the effectiveness of green building envelopes to reduce pollutant concentrations. Plant species, such as pine and birch, are particularly effective because of their ability to capture large quantities of particulate matter.
The ARUP study highlights the fact that green envelopes can reduce sound levels from emergent and traffic noise by up to 10 decibels in certain situations. They can also reduce peak energy consumption in traditional buildings by up to 8%. Increasing the quantity of vegetation in a city can also reduce temperatures by up to 10°C in dense centres, the research indicated.
Green building envelopes can help to reduce the urban up-heating (heat island effects), filter fine dust on the streets and reduce noise levels.
Retrofitting cityscapes with vegetation can improve the health and well-being of urban citizens. The ARUP consultants are calling on cities to adopt a strategic approach to “greening” to create cleaner environments.
Circular economy programme needs greater long-term support says report
A new report has called on European Union institutions to promote resource efficiency beyond the completion of the Circular Economy Package. By learning from best practice scenarios, some €324bn could be added to the EU’s economy…
CCC funded research develops open source tool to promote low carbon construction supply chains
The CCC has funded an innovative project, CCIT, to enable construction contractors to manage their supply chains so as to minimise carbon use. The CITT project has brought together Costain, Skanska and the University of Edinburgh Business…
How the new PAS2080 standard is promoting low carbon construction
The London Seminar on 14 November on “Implementing PAS2080: Supply Chain Collaboration to reduce the Carbon Footprint and Cost of major Infrastructure Projects’ brought together leading experts and the supply chains of major infrastructure clients and contractors to…
EEA: industry across Europe responsible for over half of key pollutants in air
Industry across Europe is responsible for more than half of all carbon dioxide, particulate matter and other key pollutants emitted into the air, according to updated industrial pollution country profiles published today by the European Environment…