Green Buildings

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GUEST OBSERVATION
Covering roofs and walls of buildings with vegetation is a good way of reducing greenhouse gas emissions. And these green roofs and walls make cities look nicer. Toronto’s central business district adopted a policy of establishing green roofs on around half of all city buildings in 2009. Research shows this could reduce maximum city temperatures by up to 5℃.
We spent the past 12 months analysing the case for more greenery on Australian city buildings, drawing on international comparisons. We’ve shown that a mandatory policy, coupled with incentives to encourage new and retrofitted green roofs and walls, will provide environmental, social and business benefits.
These include improved air quality, energy conservation and reductions in stormwater run-off from buildings, which would decrease flash flooding. Green roofs and walls also become new habitats for biodiversity and can be pleasant spaces for social interaction in dense urban areas.
We found numerous studies confirming that greenery on inner-city buildings reduces the urban heat island effect, which is when city centres are hotter than surrounding suburban and outer-urban areas.
<img src="https://images.theconversation.com/files/223984/original/file-20180620-137746-jb859j.jpg?ixlib=rb-1.1.0&amp;q=45&amp;auto=format&amp;w=754&amp;fit=clip" alt="">
Green roofs are great social spaces. Author provided, Author provided
What other countries are doing
We examined international case studies of cities embracing green roofs and walls to review policy frameworks which could be suitable for Australia. A range of measures and policies exist and vary depending on building types (buildings need specific features to host vegetation) and the degree to which policies can be enforced.
Singapore is leading in this area. It markets itself as a “garden city” to attract investment, visitors and commerce. Green roofs and walls are a vital and visual manifestation of this policy.
<img src="https://images.theconversation.com/files/223985/original/file-20180620-137720-o4cmgn.jpg?ixlib=rb-1.1.0&amp;q=45&amp;auto=format&amp;w=237&amp;fit=clip" alt="">
Green walls are aesthetically pleasing. Author provided
Greenery is ingrained in Singapore’s development sector and is boosted by incentives, grants, awards, certification schemes and government-led development. Through this voluntary-heavy (yet supported) effort, Singapore increased its number of green roofs and spaces nine-fold between 2006 and 2016.
Rotterdam’s efforts weren’t as extensive as Singapore’s, but the city more than doubled its green roof area from 2012-2017 through incentives, grants, tax benefits and demonstration projects.
London increased its total green-roof area more than four-fold from 2005-2016. This was partially achieved through a biodiversity action plan.
And Toronto has the second-largest area of green roofs of the four cities we studied. This has been delivered through a mandatory policy, introduced in 2009, that requires all new developments with roofs of 2,000m² or more to install green roofs.
The case in Australia
We modelled what could be delivered in the City of Sydney and the City of Melbourne based on the measures taken in Singapore (which is voluntary-heavy), London (voluntary-light), Rotterdam (voluntary-medium) and Toronto (mandatory).
We combined this with data on actual green building projects in 2017 in Sydney and Melbourne to show the potential increase of projects in each city based on the four policies.
In the Sydney local government area, 123 green roof and wall projects were under way in 2016. The below table uses this base to estimate what the numbers of such projects would be for three time periods, based on the policies in the four scenarios modelled.
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In the Melbourne local government area, 28 green roof and wall projects were under way in 2016. The table below shows how these could increase based on policies of the four case studies modelled.
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How Australia can get on board
Sydney and Melbourne have green roof and green wall policies aligned with their 2030 and 2040 sustainability targets, launched in 2012 and 2015 respectively. Sydney has the Green Roofs and Walls Policy Implementation Plan, while Melbourne has the Growing Green Guide 2014.
These policies appear most aligned with the voluntary-light approach adopted in London. Sydney had a 23% increase in green roofs since its policy launch, although this was from a very low starting point. Melbourne also reports an increase in green roofs and walls, though the amount of uptake isn’t publicly available.
There are, of course, barriers to greening up buildings. These include costs as well as lack of experience in the industry, especially in terms of construction and management. Professional capacity for green roofs is still in a developing phase and further training and skill development are needed.
<img src="https://images.theconversation.com/files/224163/original/file-20180621-137750-i347f7.jpg?ixlib=rb-1.1.0&amp;q=45&amp;auto=format&amp;w=754&amp;fit=clip" alt="">
Green wall adds vegetation to an aged care home in Sydney.
Around 87% of the building stock Australia will have in 2050 is already here, and a large proportion of existing buildings could be retrofitted. We recommend a voluntary approach using a mix of initiatives for building owners, such as tax benefits and credits in green building tools.
Focusing on new buildings is likely to lead to more modest growth rates in the short to medium term, relative to alternative approaches such as retrofitting. The annual growth rate of new stock is around 1-3%, which means that policies focusing on new stock will have a substantial impact over the long term.
However, in the short to medium term, a retrofit policy would have greater impact given the numbers of existing buildings suitable for this.
<img src="https://counter.theconversation.com/content/97088/count.gif?distributor=republish-lightbox-basic" alt="The Conversation" width="1" height="1">Local government areas can also promote the evidence showing the lift in property values in areas with more green infrastructure – in some instances up to 15%. This should encourage voluntary uptake.
Sara Wilkinson, Associate Professor, School of the Built Environment, University of Technology Sydney
Paul J Brown, Senior Lecturer – Creative Intelligence | Faculty of Transdisciplinary Innovation &amp; Senior Lecturer – Accounting | UTS Business School, University of Technology Sydney
Sumita Ghosh, Senior Lecturer, School of the Built Environment, University of Technology Sydney
This article was originally published on <a href="http://theconversation.com" target="_blank">The Conversation</a>. Read the <a href="https://theconversation.com/australian-cities-are-lagging-behind-in-greening-up-their-buildings-97088" target="_blank">original article</a>.
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j.ballantyne1990-6AQqhLzZaK

Australian cities are lagging behind in greening up their buildings

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GUEST OBSERVER
Owners and tenants are constantly seeking new ways to drive efficiencies and cost savings to future proof these parks and facilities. 
In 2016, Frasers Property Australia completed its first 6 Star Green Star business park facilities in Rhodes Corporate Park (NSW), Horsley Drive Business Park (NSW), Ceva Campus in Truganina (VIC) and Yatala Central Industrial Estate (QLD). These projects demonstrate an unparalleled commitment to environmental and financial outcomes utilising cutting-edge sustainability initiatives.
Adopting the Green Building Council of Australia ratings
The Green Building Council of Australia (GBCA) is an independent, voluntary sustainability rating system for Australian buildings. Its Green Star rating is Australia's highly respected standard of quality for the design, construction and operation of sustainable buildings, fit outs and communities. Frasers Property has chosen this rating system to monitor its sustainability performance for its facilities as a direct result of the GBCA’s credibility within the property industry.
Further justification is the important role independent certification plays in the validation of sustainability outcomes. There is considerable dialogue about sustainability generally, however this is often not supported by credible third party validation. Green Star is Australia’s leading holistic rating tool for the property industry. 
Improving sustainability ratings
The focus for Frasers Property is to deliver direct and tangible benefits to customers by reducing total occupancy costs and operating expenses, whilst also improving the health and wellbeing of employees. From a business perspective, the ongoing pursuit of improvement in sustainability ratings for facilities demonstrates a commitment to market leadership.
This approach is critical to future proofing facilities so they continue to deliver value and remain competitive. Everyone now lives and operates in a carbon constrained economy and buildings are a significant contributor to greenhouse gas emissions. Reducing each building’s carbon footprint assists not just in alleviating further stress on the environment but also to improve the financial bottom line. 
Why is a 6 Green Star rating important? 
In 2015 Frasers Property committed to achieving a 5 Star rating for all of its facilities which has delivered considerable operational savings and health benefits for customers. However, there was a strong aspiration in the business to do more by pushing the boundaries of what a truly sustainable industrial development could be. 
Since the introduction of the Green Star approach, customers have firmly embraced the concept. This approach has also helped Frasers Property further align its values with its customers, with the shared commitment resulting in an even stronger bond between both. Further, the introduction of 6 Star was not only a considerable benefit to the environment but also provided enhanced financial benefits to customers as a direct result of reduced operating costs.
Frasers Property’s approach to improving the sustainability of facilities is driven by a desire to lower ongoing operating costs. Most new institutional grade business park facilities across Australia are rated 4 Star, however very little thought is given to customer benefits.  
A standard 15,000 – 20,000 sqm 4 Star rated facility is expected to deliver annual average savings between $1.50 – $1.75 p/sqm when compared with a standard Building Council of Australia compliant building. By investing in targeted initiatives and technology to achieve a 6 Star rating, these savings could be increased by approximately 165 per cent over a 10 year term. This rating can also deliver a cash flow positive result for the occupant from year one. Frasers Property works with customers in a variety of facilities from ambient warehouses and refrigerated cold stores to automated storage and retrieval systems to find a solution that best suits their long-term needs. 
Drivers sustaining 6 Star excellence
Frasers Property’s unrelenting focus is to be progressive and innovative to benefit both its customers and the communities in which it develops. In the pursuit of industry leading outcomes the intention is to initially educate the industry as to what is possible, and to then be the driver of that change.Beyond the choice it offers customers, this approach allows Frasers Property to benchmark not only what can be achieved but also how to improve. Green Star certification demonstrates that well designed assets can result in lower operating margins and provide future proofing against changes from a regulatory or utility cost perspective. 
In 2016 Frasers Property delivered approximately 280,000 sqm of industrial facilities across Australia. Forty three per cent achieved a 5 Star Green Star rating which recognises Australian Excellence in sustainable design, while the 57 per cent balance achieved 6 Star Green Star ratings. Significantly, this rating acknowledges World Leadership in sustainable design. 
Significant 6 Star benefits and features
The most significant benefits are the energy and water cost savings. Over the years, it has become clear that the way to ensure the longevity of facilities is to structure the outcome to benefit the consumer. The increased productivity of staff working in a space that promotes good design and environmental attributes is also a significant tangible benefit.  
The features of 6 Star facilities are many and varied. A representative selection includes:
•Solar panels as an energysource.
•Rainwater tanks for toilet flushing and landscape irrigation.
•Electric vehicle car charging points.
•Geothermal energy for heating and cooling the office.
•High efficiency LED high bay lighting with sensor technology to improve light quality, control and efficiency.
•Advanced lighting controls that use motion sensors and daylight harvesting.
•Lower toxicity materials and finishes.
•Increased fresh air flow at 50 per cent more than required by the Australian Standard.
•Glare control through blinds and shading devices.
Overall customers benefit by using considerably less energy. The remaining energy required can be purchased as 100 per cent green power.
Green Stars have a bright future
Each year the property industry continues to be one of the biggest contributors to greenhouse gas emissions in Australia. Industry bodies like the Green Building Council of Australia play a crucial role in rating the country’s sustainable buildings. Influential property developers seek to create a legacy in the communities in which they develop. They have a responsibility to seek ways to reduce their carbon footprint, reduce the overall impact of buildings and to improve the health and wellbeing of those who use them. In the pursuit of excellence, intelligent thinking is required.
REINI OTTER is executive general manager at C&amp;I Frasers Property Australia and can be contacted <a href="https://www.frasersproperty.com.au/">here</a>.
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jchancellor-FAypfDUnLy

Six Star Green Star business parks are the future 

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A new report from the World Green Building Council (WorldGBC) has found that green retail environments can enhance the customer experience and drive greater profits.
The study suggests that most retailers are missing massive opportunities to beat understand how the physical retail environment can impact staff, customers and business performance.
WorldGBC CEO Terri Wills said that the days of 'grey box retailers' are numbered.
The report highlights American retailer Walmart's findings which suggest that day lit areas of stores deliver higher sales per square metre than those areas artificially lit.
Research too suggests that customers are likely to buy more merchandise, stay longer and visit stores more frequently with natural surroundings
Stockland now has 13 Green Star ratings for retail centres.
Frasers Property Australia gained Australia's first 6 Star Green Star Retail Centre for The Ponds in 2015.
Coles achieved a 4 Star Green Star rating for its Hallam store in south east Melbourne and Kathmandu opened its first flagship Green Star registered retail store during 2015.
CEO of Green Building Council of Australia (GBCA) and WorldGBC board member Romilly Madew says retailers who successfully embrace sustainability will have an unassailable market advantage for years to come.
 
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