Elemental

These are my links for June 29th through July 1st:

• Gentrification and Its Discontents – Magazine – The Atlantic – "Zukin declares that she “resent[s] everything Starbucks represents,” which really means that her urban ideal is the cool neighborhood at the moment before the first Starbucks moves in, an ever-more-fleeting moment. Indeed, what has changed since Jacobs’s day—and the reason, as these books attest, that gentrification has become so intense an issue—is the speed of the transition of districts from quasi dereliction to artsy to urban shopping mall. This acceleration results from the ways consumption has become the dominant means of self-expression (Zukin is perceptive on this point) and from—relatedly, ultimately—the acceleration of the global economy."
• CIBSE CHP Group Seminar – Great overview of CHP: "To determine the appropriate size of a CHP system, there are several approaches that can be taken. The base load heat demand could be the benchmark for selecting a unit so that all the heat produced is used. Alternatively, the system can be sized based on the electrical base load without regard to the heat demand. In either case, it is possible that there is a more optimal size than will meet just the base load. Therefore, an in-depth analysis of daily or hourly loads is necessary for correct sizing. It is also important that the true base load energy demand is determined before sizing a CHP system. This means that energy efficiency measures should be implemented first to reduce energy demand and thus reduce the size of CHP system required."
• Interview: Michael Pollan | Life and style | The Guardian – I'm a massive fan of Pollan – great interview: "Big Food as it exists today is, patently, not sustainable. Two shocking statistics: before 1950, every calorie of fossil fuel energy expended on food production resulted in 2.3 calories of food; these days it takes 10 calories of fossil fuel energy to produce one calorie of your edible foodlike substance."
• Urban farms: can you source a complete meal from inside the M25? | Life and style | The Observer – Good to see Rosie is grounded in reality – urban food will never feed London entirely: "Nobody knows exactly how many farms there are in London. In a report, I read that there are 500 but I find it hard to believe. "I find that a bit hard to believe, too," says Rosie Boycott. "I haven't found that many. But they are there. Obviously it's barking to suggest London is ever going to be able to feed itself but there are things we can do to help small producers come to market. And of course a lot of it is about education.""
• Taxing carbon: Worth a go | The Economist – Perhaps not the panacea we hope for, but good to see someone is crunching the numbers: "A carbon tax has many more general advantages as a fiscal tool, too. It would be simpler and more predictable than the current jumble of tax breaks, trading schemes and purchasing obligations. The principle—that polluters pay for the damage they cause—is easily grasped, and it is politically attractive to tax “bads” such as pollution instead of “goods” such as work and entrepreneurship. And, by establishing a reliable price for carbon, it could give businessmen the certainty they need to invest in greener technologies. But the effect of that is likely to show up only after 2020."
• New Statesman – No hands to the pump! – The problem with ASHP: "But there's a problem. According to the Energy Saving Trust, carbon emissions are not actually reduced if air-source heat pumps replace gas or oil boilers, but only existing electric heating and coal-fired systems. Ground-source heat pumps are only slightly better. Yet the proposed guidelines do not specify where heat pumps should be installed to qualify for the subsidy. So the danger is that thousands of heat pumps will be drawing a subsidy of more than £1,000 a year, while delivering no emissions benefit."
• Construction Manager – Features – Great article on SKA: "According to Hall, the scheme could address several gaps in the market. “It suits smaller projects, and it’ll help tenants who aspire to a green fit-out but who might have taken space in a building that doesn’t have BREEAM excellent or very good. And I’d say our project managers have found it easier to get to grips with Ska compared to BREEAM.”<br />
  Ska has been developed to capture data from the smallest interior refresh to major refurbishments, judging their sustainability criteria in isolation from the building they sit in. The system is designed to be user friendly, based on a free online tool that helps to guide early design decisions. The project team can then make headway on cutting carbon without calling in a specialist consultant. “The guidance is exceptionally intuitive, so no one’s sitting around saying ‘where’s our BREEAM assessor when we need him’,” says Skansen director James Pack."
• Five Myths About Sustainability – BusinessWeek – Good common sense: "LEED (Leadership in Energy & Environmental Design) is a rating system developed by the U.S. Green Building Council (USGBC) to provide guidelines for, and certification of, sustainable buildings. There are many highly sustainable buildings that are not LEED-certified; it's not a requirement for being green.<br />
  If an organization won't benefit from LEED certification, we don't recommend it. It's costly and time-consuming so there has to be a business value to get the plaque on the wall. There are times when a project is highly sustainable, but pursuing LEED certification is not the right business decision."
• Paul Miller » Whole Earth Discipline – Book duly added to wishlist: "Stewart Brand’s book Whole Earth Discipline is one of the best books I’ve read in the last few years, partly because it’s very well written and researched but mainly because it made me change my mind about some important issues.<br />
  Perhaps the easiest argument for me to accept (although I still learned a great deal) was the section on cities. It’s always made sense to me that cities are more efficient use of resources and are the driving force behind new ideas and problem solving. I’m a pretty big believer that new things happen when you bring people together who have different skills and experiences. You can either design those situations – as things like the Manhattan Project show – or you can just sit and watch as it happens in cities – the more cosmopolitan and connected the better. Of course, as cities grow they develop new problems, but they solve them just as quickly as they produce them."
• Government prepares 2050 low-carbon master plan – 25 Jun 2010 – BusinessGreen.com – "The report is expected to argue that the UK will need to electrify much of its infrastructure if it is to have any chance of meeting the 2050 carbon targets.<br />
  "An 80 per cent target means that realistically we need to electrify large sections of transport and heating," said the government spokesman. "That means that while overall energy demand may fall, demand for electricity could double by 2050. All the big investment challenges we face relate to that change.""
• Sustainability: World’s Most Sustainable Building – Not sure about 'most' sustainable, but it does look striking: "the Wuhan New Energy Center boasts to have a zero carbon footprint. The lily shaped building generates its own energy thanks to the vertical axis windmill and solar chimney. The building also harvests rain water within the building. The roof of the building is basically a solar panel array for generating electricity. The design allows the building to be cooled naturally. Designed by the design consultants Grontmij and Soeters Van Eldonk Architects the building will eventually stand 140 feet tall."
• Target Zero | School Guidance Report Summary – Interesting report – particularly interested on the NPV work: "The maximum on-site derived operational carbon emission reductions of 119% of regulated emissions (against a target of 124% for true zero carbon performance), can only be achieved using a package of energy efficiency measures, a 50kW wind turbine, 1300 m&sup2; photovoltaics, biomass boiler and 216 m&sup2; solar thermal panels. These measures incur an increased capital cost of 11.5%, which have a positive 25-year net present value (NPV).<br />
  To achieve economic true zero carbon performance requires the integration of off-site LZC technologies such as tapping into a district CHP plant"

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These are my links for February 12th through February 18th:

• Building4Change : California to make energy and water saving mandatory – CALGREEN's approach, with its mandatory provisions being inspected and verified by local and state building departments and confirmed in a green label, has led to concerns that it confuses building standards and certification. Questions are being asked in the USA about a number of issues, in particular, lack of third-party assessment and the code's potential to reduce adoption of points-based certification routes, notably LEED.
• The Race to be the Greenest Building – Some great case studies: "The Living Building Challenge, run by the Cascadia Green Building Council, is growing in popularity these days. Referred to as one of the most advanced green building rating systems in the world, it's growing, I believe, in part because of its rigor. The Challenge is performance based, which means a project has to perform as modeled for one full year prior to receiving certification."
• Thoughts on the Renewable Heat Incentive – "As it stands, this incentive will cause oil-fired boilers (as a technology) to be abandoned, without any clear justification. Many people with radiator-based central heating systems looking to replace a boiler will be tempted to switch to a heat pump solely because of the incentive, which looks like it's going to worth around £750-£1,000 a year for 18 years. And yet, unless the heat delivery system is changed (which is unlikely because it would be expensive and disruptive), the energy and carbon burned will actually increase, compared to an A rated oil-fired boiler. For this reason, air source heat pumps, in particular, are ill suited to replacing domestic boilers. There seems little logic in incentivising people to install them instead of efficient fossil-fuel boilers."
• House 2.0: 36 hours in Switzerland – Is a supra-national standard possible? "The Swiss have their own energy saving performance standard called Minergie. It comes in various format. Standard Minergie, Minergie P (roughly equivalent to PassivHaus), Minergie P Eco (with other sustainability features like water saving) and Minergie P Eco Plus (with added renewables). Obviously, this system is never going to be of interest to anyone other than the Swiss; it's all rather like the Code for Sustainable Homes in this respect. Yet another reminder as to how good it would be to have a supra-national standard that everyone could understand."

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These are my links for October 30th through November 5th:

• GEO DYNAMICS – How sustainable are heat pumps? -:- Construct Ireland – Great, but long, article on the pros and cons of air source heat pumps. Level of detail is just right, with plenty of graphs and good argument.
• BSRIA review of NG Bailey’s Solais House – Great review of Solais House. I hadn't realised that it was a spec office before, having seen David Frise present it recently. That explains why it's aesthetically…dubious. Despite this constraint, promises to be a great example – although we await the POE results.
• A place for PVC in a sustainable world? | Forum For The Future – Fascinating article on PVC. Still not convinced about the green guide rating of A for PVC windows, but things are getting better: "It’s not the first time that TNS has wrestled with the issue. It originally grappled with the stuff in 2000, when, with the support of the UK Environment Agency, it investigated whether PVC could have any place in a sustainable society. The answer was a cautious ‘yes’ – providing the industry addressed some of its most pressing challenges."
• Sir Nicholas Grimshaw – People – Dwell – Great quote from Grimshaw on sustainability: "You’ve got to do a bit of lateral thinking on these green issues. It’s quite important to be pragmatic. The one thing we have to watch very carefully is polarization"
  Unusual to find a pragmatic architect – consultants and engineers usually much more pragmatic as they don't play the same zero-sum game as architects are forced into.
• Footprint » You should have been at the RIBA tonight… – Intriguing – anyone know anything more on Bill's views?: "Dunster also made a strong plea on behalf of the Code for Sustainable Homes, calling it ‘an enlightened piece of legislation in danger of being dumbed down by the UK-GBC and the ZeroCarbonHub.’"
• News : NDS – From Mandelson's Hinto Engineering Lecture: "Snow didn’t use the term, but he was angling at the idea that Britain was becoming a scientific knowledge economy. This is certainly the case now. We need to understand more clearly than ever the way in which our pure science and applied science underwrite our prosperity, not least so we can strengthen their contribution to economic growth.
  The wider costs of any failure to do this are very high, both for our own economy and society, but also globally. Snow was worried about how a scientifically illiterate society might fail to feed the expanding populations of the developing world. That concern is still very much with us, and to it our society would have to add the massive problem of decarbonsiation and the management of our environmental impact on the planet. "
• Constructing Excellence in the Built Environment » Blog Archive » Never Waste a Good Crisis – Another report added to my 'must read and comment pile': "Government, as a client, needs to understand the enlightened thinking that better and more intelligent designs improve patients’ recovery in hospitals and learning outputs in schools. So, rather than reduce the number of schools and hospitals being built, it must sponsor smarter and more productive solutions and reduce the amount of money wasted on the procurement process. For Government as a policy maker, the challenge is to create an environment that incentivises innovation and speeds up the modernisation process."
• Thoughts on Copenhagen: Nicholas Stern | News | Architects Journal – Good series of interviews from Hattie in the AJ, on COP15, including this one from Nick Stern: "Energy consumed in the construction and operation of buildings is responsible for more than one third of total energy use. According to the fourth assessment report by the Intergovernmental Panel on Climate Change, published in 2007, the building sector has great potential for reducing greenhouse gas emissions.
  It concluded that the energy consumption of new and existing buildings can be cut between 30 and 50 per cent without significantly increased costs.
  Architects, together with other built environment professionals, have the strategic and technical skills to deliver buildings that both lead to lower emissions and withstand those impacts of climate change that are now inevitable. With existing technologies, these buildings are now affordable. New technologies are constantly being created. What is required is the vision, leadership and commitment to make a low-carbon future reality."
• Thoughts on Copenhagen: Pooran Desai | News | Architects Journal – The run up to COP15 has started, with this snippet the most interesting thing I found in AJ's recent piece, from Pooran Desai: "To achieve effective change, we need elegant solutions and a sensible systems-based approach to zero carbon; for example, recognising electricity as a pooled resource and not unnecessarily converting buildings into power stations. Land use is as critical as carbon emissions."

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