Do trees really help clear the air in our cities?

The Conversation It may sound like a no-brainer to say that trees improve air quality. After all, we know that trees absorb the greenhouse gas carbon dioxide (CO₂), and that their leaves can trap the toxic pollutants nitrogen dioxide (NO₂), ozone, and harmful microscopic particles produced by diesel vehicles, cooking and wood burning. Yet some recent studies have suggested that trees may in fact worsen urban air quality by trapping pollutants at street level. A closer look at the evidence – and how it was collected – reveals the root of this dispute, and can help us come to a …

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Green Visions: Nature as infrastructure

Architecture AU A number of recent industry campaigns and major policy documents from both state and local government levels promote nature’s critical role in supporting economic prosperity, health and wellbeing. Although much has been written about a green infrastructure design-led approach for urban environments, it was not until recently that major policy documents have included measures that promote nature as a key driver for the built environment. On both state and local government levels, policy and planning directives increasingly reflect the acceptance of nature-as-infrastructure’s critical role in underpinning economic prosperity, health and wellbeing. The Sydney Green Grid project Sydney’s population is forecast …

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Why cities are the future of sustainable food

Vancouver Observer It’s undeniable. We are living in the midst of an urban food renaissance. From farmer’s markets to craft beer to restaurants featuring local ingredients, we as a society care increasingly about what we put in our stomachs. People are starting to see how much the way we eat affects our bodies, our social structures, and the planet. Cities, where most people live and where much of the world’s economic action takes place, are leading a charge of healing and connection, driven in large part by local entrepreneurs. It’s a trend that persists even though most of our food …

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How Can We Make our Cities More Liveable?

Sourceable Living architecture is part of a broader notion of green infrastructure that also encompasses water sensitive urban design, integrated water cycle management, green streets, urban food, and the urban forest. When combined, these elements can reduce the negative impacts of urbanisation to make our cities more liveable. The challenges of establishing living architecture in Australia Green roofs, walls, and facades are more common in other countries than in Australia. In the northern hemisphere, the climate is generally cooler and they have fewer extremely hot days with rainfall distributed relatively evenly across the year. Living architecture is particularly prevalent in Singapore. …

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WA Indigenous Elders apartments win at 2015 Sustainability Awards

Architecture and Design The Walumba Elders Centre by iredale pedersen hook architects (ipha) was the winner of the Multi-Density Category prize and the Best of the Best award at the 2015 Sustainability Awards. ipha received the prestigious honour at the awards ahead of 68 finalists and a record number of entries.   On 13 March, 2011 the Giga people’s home town of Warmun was devastated by a catastrophic one in 300 year flood event. Three hundred people were displaced for 12 months while new houses were built. Working directly with the community Elders and the Home and Community Care staff, …

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Could your morning coffee be the next step forward in sustainable energy?

Mashable Coffee fuels the people and, to some extent, the economy. But why stop there? Arthur Kay was studying architecture at The Bartlett, UCL where he was set the challenge of designing a coffee shop and coffee roaster. During the process he, “quickly realized that coffee was being wasted everywhere. It was pouring out of coffee shops, office blocks, transport hubs and factories.” Instead of seeing this waste as a challenge, Kay looked at it as an opportunity and discovered a way to refine the phenomenally high oil content in waste coffee grounds into biodiesel. He calls this remarkable discovery …

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New ‘world’s to-do list’ will ask for accountability for a $3 trillion cleanup of society

Mashable Two days after the United Nations formally adopted a set of ambitious goals to tackle the world’s most pressing problems by the year 2030, Amina J. Mohammed’s main concern is getting the word out about them to as many people as possible. As the U.N. Secretary-General’s Special Adviser on Post-2015 Development Planning, Mohammed has spent the past three-and-a-half years corralling the 193 member states to agree on the 17 Sustainable Development Goals (SDGs), often referred to simply as the Global Goals — a blueprint for the world to end extreme poverty, fight inequality and injustice, and combat climate change …

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Sustainable Development Goals: a win-win for Australia

The Conversation On September 25 world leaders will meet in New York to formalise the new Sustainable Development Goals. These 17 goals will guide efforts to reduce poverty and increase well-being, without destroying the Earth. Unlike the Millennium Development Goals (or MDGs) that applied only to developing countries, the Sustainable Development Goals (or SDGs) will apply to all countries, including Australia. The SDGs offer the opportunity for a “win-win” for Australia: by promoting more sustainable development we can improve the quality of life and opportunity here in Australia while also promoting prosperity in the many developing countries in our region. …

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Sustainability the new goal in home design

Domain A competitive return on investment is drawing more buyers to energy efficient homes, writes Amelia Barnes. The vast majority of Australian homes cannot be classed as sustainable. Often derivative of American or European architectural styles that aren’t designed for the country’s unique environment and context, Australian homes are historically poorly insulated and made from materials selected primarily to keep costs down. While the term “sustainable” is often used in design without true consideration of its definition, this most accurately means “a home that meets the needs of present generations without compromising on future generations”. Using efficient energy and materials both in production and in operation, a …

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Air New Zealand turns to sustainability as global carbon price looms

The Sydney Morning Herald Air New Zealand has launched a major drive to “future-proof” its business partly due to its belief a global carbon price will emerge in the coming years. The aviation sector is responsible for an estimated 2 to 4 per cent of global carbon emissions, making it a target of environmentalists concerned about climate change. At some point when carbon is priced – and it is coming – then we will be more ready for it than our competitors and it will improve our relative competitiveness as a result. At a time when some banks are refusing …

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