By 2050 almost 70% of the world's population will live in urban areas. SuperCities is Salterbaxter's initiative to celebrate the great things that are happening in cities to make them more sustainable. Take a look, get inspired, and share your ideas.
Car-Free City: China Builds Dense Metropolis from Scratch
Altering most of todayâs cities to eliminate cars altogether would be a daunting, if not impossible, proposition â which is why China is starting from scratch. Great City will be built around a high-rise core housing 80,000 people, entirely walkable, and surrounded by green space.
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Leading architect behind Singapore's Gardens by the Bay, Andrew Grant, says that cities need to set aside space for forests, wetlands and wildlife to be sustainable and liveable.
This Kenyan School Harvests All The Water That Students Need To Drink
Demonstrating a new form of architecture, every building on campus, including dorms, classrooms, and a soccer stadium, collects clean rainwater in an area where clean water can be hard to come by.
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The Cities That Spend The Most On Bike Lanes Later Reap The Most Reward
Investing in a network of fully separated bike lanes could save cities huge sums in the long-term. But too little investment in wimpy infrastructure could actually decrease enthusiasm for cycling.
More than half of world's population now living in urban areas, UN survey finds
10 July 2014 â An additional 2.5 billion people are predicted to live in urban areas by 2050, the United Nations today reported, highlighting the need for a successful urban planning agenda and greater attention to be given to smaller cities where nearly half of all people currently reside.
âToday, 54 per cent of the worldâs population lives in urban areas, a proportion that is expected to increase to 66 per cent by 2050,â the Population Division of the UN Department of Economic and Social Affairs said in its 2014 revision of the World Urbanization Prospects report.
New Delhi, currently the worldâs second most populous city with 25 million inhabitants, is expected to retain that spot through at least 2030, when its population is projected to reach 36 million.
The worldâs largest city is Tokyo with 38 million inhabitants, and while its population is expected to decline to 37 million by 2030, it will remain at the top. Shanghai with 23 million inhabitants, and Mexico City, Mumbai and Sao Paolo, each with 21 million inhabitants, followed by Osaka with just over 20 million people, round up the top five spots.
The future demography is expected to change, with these so-called âmega-citiesâ falling in rank as relatively smaller urban cities, particularly in developing countries, gain in population.
The most urbanized regions rights now include Northern America, where 82 per cent of the population lives in urban areas, followed by Latin America and the Caribbean with 80 per cent, and 73 per cent in Europe.
By contrast, Africa and Asia remain mostly rural, housing nearly 90 per cent of the worldâs rural population. Their urban areas are on the rise, however, and while at least 40 per cent of the population in African and 48 per cent in Asia live in urban areas, they are projected to be home to 56 and 64 per cent urban, respectively, by 2050.
âThese countries will face numerous challenges in meeting the needs of their growing urban populations,â the report authors said, including for housing, infrastructure, transportation, energy and employment, as well as for basic services such as education and health care.
âManaging urban areas has become one of the most important development challenges of the 21st century,â said John Wilmoth, Director of the Population Division, who spoke to the press at headquarters today, along with François Pelletier, Chief of the Population Estimates and Projections Section. âOur success or failure in building sustainable cities will be a major factor in the success of the post-2015 UN development agenda.â
The new addenda, which the international community is currently crafting, is intended to build on the eight Millennium Development Goals (MDGs), which set specific targets on poverty alleviation, education, gender equality, child and maternal health, environmental stability, HIV/AIDS reduction, and a global partnership for development â all by a deadline of 2015.
In this latest report, the authors noted that âwell managed, cities offer important opportunities for economic development and for expanding access to basic services, including health care and education, for large numbers of people.â
Authors added that provision of public goods, such as public transportation, housing, electricity, water and sanitation for a densely settled urban population is typically cheaper and less environmentally damaging than providing a similar level of services to a dispersed rural population.
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New York City Gets Ready for a Self-Reinforcing Fungus Tower
Typically âfungusâ and âbuildingâ are not words people like to hear together. While we were busy scrubbing the black mold off our bathtubs, David Benjamin, head of the New York architectural firm The Living, was designing the Hy-Fi, a 40-foot-tall circular fungal tower, and potential precursor for more eco-friendly skyscrapers.
As the winner of MoMAâs annual Young Architects Program (YAP), Benjamin will exhibit the Hy-Fi in the courtyard at MoMAâs satellite art and event space PS1 in Queens starting late June. Now in its 15th season, YAPâs theme this year is sustainability and recycling. YAP also wanted a design that would provide shade, seating, and water for attendees of MoMA PS1âs 2014 Warm Up summer music series. Benjamin prevailed with a design he claims will generate no waste, requires no energy, and is 100% organic.
By 2025, the developing world, as we understand it now, will be home to 29 megacities. We explore the latest UN estimates and forecasts on the growth of these 'cities on steroids', and take a look at the challenges and opportunities megacities present for the tens of millions living in Lagos, Mexico City and Dhaka
âSustainable Cityâ may be a buzzword these days, but itâs a buzzword with substance. The number of buildings featuring green innovations is growing at a phenomenal rate. In the residential sector, 62 percent of firms building new single-family homes are building green features into at least 15 percent of their projects, according to a recent report published by McGraw Hill â a level that is expected to reach 84 percent by 2016. And a U.S. Green Building Council report projects that 55 percent of new commercial structures will qualify as green buildings by 2016 (up from 44 percent two years ago.)
Here are some of the top trends for urban sustainable architecture in 2014:
1. Net Zero Energy. For many, the gold standard for green buildings is Net Zero â buildings that produce as much or more energy than they consume. Through a combination of energy efficiency and on-site renewable energy systems, buildings such as the Center for Sustainable Landscapes in Pittsburgh are achieving this goal. Net Zero Energy building certification is available through the International Living Future Institute.
2. Water conservation and reclamation. Awareness of the global water crisis is rising, and so is implementation of water-saving technology in the building sector. In addition to low-flow fixtures and other conservation measures, many architects and builders are turning to methods for on-site water capture and re-use. Structures such as New York Cityâs One Bryant Park and the C.K. Choi Building at the University of British Columbia incorporate various technologies such as composting toilets, graywater systems, cisterns and rain barrels, rain gardens, and constructed wetlands to maintain a responsible water use profile.
3. Innovative materials. No longer are building materials restricted to what can be ordered at the lumberyard or steel mill. Whether itâs natural materials such as straw bale, recycled materials such as reclaimed lumber and old shipping containers, or state-of-the-art building materials using phase changetechnology, green builders and architects remain open to possibilities. Anything goes, as long as it meets aesthetic and performance criteria!
4. Green roofs. If you could take an airplane tour over urban America, youâd likely notice something you probably wouldnât have seen 10 years ago: patches of green springing up not just around but on top of buildings. Green roofs â roofs topped with a thin layer of soil and living green plants â are literally a growing trend in sustainable building, and for good reason. They help reduce heating and cooling costs, filter stormwater and moderate its flow, improve air quality, and can extend the life of the roof. They also contribute a more natural aesthetic to the built environment.
5. Integrated urban farming. Green roofs arenât the only way plants are being used to make buildings more sustainable. The surge in interest in local food production has led naturally to an exploration of ways to integrate food production with urban infrastructure. Increasingly, this is taking place on or within the buildings themselves. In areas where space is at a premium, rooftop farms and gardens â such as New Yorkâs Brooklyn Grange â are becoming increasingly popular. Chicagoâs OâHareâs Urban Garden proves that a farm can be sleek and chic enough to double as interior decorating, too!
6. Building automation. Building operations and maintenance are just as important as structure when it comes to performance. Distributed computerized control systems are increasingly being employed to monitor and control multiple systems within a building, including HVAC, lighting, mechanical and humidity control. The benefits of such systems are many, including energy savings, faster detection and resolution of problems, reduced need for maintenance labor and even lower insurance premiums.
7. Sustainable Neighborhoods. A single green building is a good thing, but its effects are relatively limited. Extending green infrastructure to neighborhoods and entire communities can result in more far-reaching environmental and social benefits. Just as there are certifications for green buildings, developers wishing to document their green subdivisions and neighborhoods can do so with certification programs such as LEED for Neighborhood Development. One advantage of sustainable building at the community level is that it can help bring the benefits of green infrastructure to low-income families and others for whom it would not be otherwise accessible.
If one was to identify an overarching trend in sustainable architecture, perhaps it would be âholisticâ. More and more, architects and builders are responding to a growing awareness that everything is interconnected. To change one aspect of a building will inevitably affect other parts of the structure, along with the mood and health of its occupants and even the neighborhood and community. One can only hope that as builders continue to implement positive changes, it will result in positive changes for us all.Â
Found at http://sustainablecitiescollective.com/litchfield-landscape-elements/317216/7-top-trends-sustainable-architecture-2014
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