Showing posts with label urban. Show all posts
Showing posts with label urban. Show all posts

Wednesday, June 22, 2011

A stroll in the mist – Side B

The photo essay Singapore - sustainability in the mist is still attracting some admirers. Below are some further photos and light commentary about my impression of Singapore with an eye to the environment and sustainability.

The first photo shows a different angle of the misty walk illustrating the large expanse of heat retaining concrete in this area. As mentioned in the previous photo essay, the cooling ability of the misting pipe is limited – especially given its height – and the amount of wind. Unfortunately, to work as hoped this sculpture needs to take the risk of actually inconveniencing the public with the possibility of actual dampness. On the opposite side of the bay is a purpose built stadium for the events planned for this area.  stroll in the mist sculpture singapore

Friday, May 6, 2011

IPCC renewables report out soon.

Reuters has had a preview of an upcoming IPCC report on the impacts of renewables on climate change mitigation.

Renewable energies to leap, costs fall: U.N.

Renewable energies such as wind or solar power are set to surge by 2050, and expected advances in technology will bring significant cost cuts, a draft United Nations report showed on Wednesday.

The most comprehensive U.N. overview of the sector to date said renewables excluding bioenergy, which is mainly firewood burned in developing nations for cooking and heating, could expand by three to 20 times by mid-century.

"The cost of most renewable energy technologies has declined, and significant additional technical advancements are expected," the Intergovernmental Panel on Climate Change (IPCC) said in a draft obtained by Reuters, based on a review of 164 scenarios.

In 2008 renewable energy production accounted for about 12.9 percent of global primary energy supply and was dominated by bioenergy with 10.2 percent, followed by hydro power, wind, geothermal, solar power and ocean energy.

The projected expansion is likely to continue even without new measures to promote a shift from fossil fuels as part of a U.N.-led fight against climate change, it said.

Thursday, February 10, 2011

Public Planning and Policy Post Petroleum – PIA NO. 6 Finale

This is the final in my series of rough reviews of the special edition of The Australian Planner (Vol 47:4).

To recap, the first few articles (The Shorter PIA – Australian Oil Vulnerability, Shorter PIA NO. 2) summarized the current position of Australian cities and used scenarios to explore the likely impacts of oil depletion. Later articles explored the possible role of cycling (Cycling over the peak - PIA NO.3), the effect of oil depletion and urban development on children, mobility and society (Where do the children play? PIA NO. 4) and the role of planning and governance at all political levels (Transurbanization – PIA NO. 5).

The first paper below picks up the story from an earlier article (Petroleum depletion scenarios for Australian cities)

Planning public transport networks in the post-petroleum era
John Stone and Paul Mees, pages: 263-271

There is no doubt that a compact and connected urban form enhances the potential for oil-free mobility through walking, cycling, and greater public transport use. Therefore, some localised intensification of residential development … and, perhaps more important, concentration of employment and other trip destinations, are necessary objectives for urban planners responding to oil vulnerability.

[But we] argue that it is not necessary to intensify land-use across the whole city before significant improvement in both patronage and economic efficiency of public transport becomes possible.

Alternatives to the car will need to be effective at existing urban residential densities.

Back to the future?
The challenge of peak oil seems daunting, but … [for] the first time since the end of post-War petrol rationing, there is a serious prospect that public transport may become the dominant motorised travel mode in Australian cities. Urban Australia has dealt with constrained oil supplies in the past. Petrol rationing was introduced during the Second World War and remained in force until February 1950.

Table 1. Travel to work in Melbourne, 1951

(Source: ORC,1951, p. 35)

Transport mode Share of workers (%)
Train 26.0
Tram 22.1
Bus 8.8
Total Public Transport 56.9
Bicycle 9.5
Walk (or work from home) 14.1
Total Non-motorised 23.6
Car 16.2
Van/Truck 2.0
Motorcycle 1.3
Total Private Motorised 19.5

Table Reproduced from page 264.

However, the need to conserve fuel and labour saw service levels constrained, leading to overcrowding. While this ensured healthy surpluses for public transport operators, it also created public dissatisfaction. In the minds of many members of the public, trains, trams and buses became synonymous with discomfort and crowding (Davison, 2004, chapts 1-2).

Tuesday, February 1, 2011

Transurbanization – PIA NO.5

When Governments favor large scale projects with the stated aim of solving transport issues by cementing another freeway over the last remaining green space in your city – you are not alone feeling let down.

Steele and Gleeson argue that poor governance is partly to blame for the poor response of our elected leaders to the twin problems of oil vulnerability and climate change. The tendency of governments to restrict civic input, in favour of (confidential) private development interests, is behind much of this poor governance. 

Mind the governance gap: oil vulnerability and urban resilience in Australian cities

Wendy Elizabeth Steele and Brendan Gleeson. Pages 302-310

…Australia’s five largest capital cities have evolved into large metropolitan regions with complex, overlapping and often haphazard governance arrangements.

These cities all suffer to varying degrees what might be termed a ‘governance deficit’, meaning an absence of clear and effective institutional arrangements for the planning of urban development and the coordination of urban services, including infrastructure.

The first urban governance deficit is political…

Cities are human systems first, and built environments second. Contemplation of the built environment is critical but should flow from … this appreciation.

[T]oo often the ‘built environment’ rubric is used inappropriately to describe and lead urban discussion, policy and planning.

A second governance deficit confronting Australian cities … is the episodic attention by Commonwealth governments [which tends] to overlook the public policy significance of cities and urban regions.

The third deficit is a lack of political insight and responsibility at the most appropriate governance level  … the metropolitan region.

An absence of governance frameworks for the nation’s extensive urban regions displaces metropolitan political ambition and activity to local and state levels.

Steele and Gleeson note that state politics reveals the hostility between rural and regional and metropolitan electorates when it comes to development funds and planning, with upper houses in state parliaments favoring the former.

The fourth deficit is the resulting community disenchantment and cynicism regarding metropolitan planning that thrives in this context.

Communities sense the vacuum of leadership and responsibility [and] the absence of integrated urban policies and planning mechanisms. The ‘Transition Towns Movement’ is one type of community reaction to [this perceived] governance deficit around the issue of petroleum depletion.

The authors also mention ASPO and motivated individuals in this context. The following section though, is probably the most interesting.

[The] fifth deficit emerges from the waves of micro-economic reform that … have given new status and influence to private interests, especially in the field of infrastructure and urban management systems.

[C]hanges to infrastructure and planning … have widened the fiscal risk levels
and role of private interests in urban public policy and services. This … has re-orient[ed] the focus of planners towards infrastructure projects rather than strategic visions, sustainable policies or plans. Thus, despite the outpouring of strategic metropolitan plans across Australia that emphasize sustainability though compact urban form, ‘the surge of new urban investment schemes that emphasize large, complex and fiscally demanding infrastructure projects has weaken[ed] the influence of planning agencies … [on] metropolitan policy, in favour of infrastructure departments and ad hoc engineering project investigations’.

What follows is a sharp criticism of the new arrangements adopted by governments to “develop” urban areas; the public private partnership (PPP). The secrecy surrounding these arrangements, ostensibly out of so called “commercial-in-confidence provisions”, permits government bodies to avoid public scrutiny of the decision making process.  Planning responsibility/decisions can also become overly concentrated – perhaps witness the controversy surrounding some of Planning Minister Justin Maddens decisions in Victoria.

The broad scale ‘opening up’ of public infrastructure (e.g. energy and transport) to the private sector has resulted in newly competitive markets that ‘replace monopolies with highly fragmented and differentiated styles of service provision’.

These shifts do not typically attract the political, community and scholarly scrutiny they deserve.

The authors then illustrate the above using the example (unfamiliar to me) of the TransApex Scheme in Brisbane. The details are beyond a blog post and I leave it to interested readers to see the original. The authors argue that:

The TransApex project can be seen as an infrastructure initiative and not a mainstream planning ambition, as the full scheme was not foreshadowed or marked out in strategic or statutory planning instruments at the State or local level. It was pitched politically as a congestion initiative that would repair a decade or more of infrastructure ‘neglect’ by previous administrations.

However while the plan was proposed as redressing previous neglect, the proposed infrastructure would actually run counter to State and Council commitments to reducing car dependency and increasing sustainability.

The urgency and singularity that increasingly resonates in infrastructure politics is starkly at odds with planning’s claim to value deliberation and sustainability.

Increasingly, planning and, more generally, ordinary administrative processes, are cast both as inhibitors of needed development, including infrastructure, and unable to anticipate and respond to fundamental community need, especially the assumed imperative of free circulation. Fears around the impacts of the 2008 (and beyond) Global Financial Crisis (GFC) have already been mobilised as a ‘reason’ for further
paring away of process and accountability.

Which perhaps echoes the “Disaster Capitalism” or “Shock Doctrine” of Naomi Klein, in turn an extension of Chomskys Manufacturing Consent thesis. The remainder of the paper adresses the required changes if Australian cities are to become more resilient to the stress of oil price increases and shortages.

Fundamental to these changes is the need to bring oil debates in from the governance periphery to the centre, linked with the imperative of climate change. This means moving away from ‘business/politics as usual’ towards the active promotion of dynamic and sustainable metropolitan processes.

Several guiding parameters are proposed to help ameliorate the governance/policy failure perceived by the authors.In proposing infrastructure Governments need to consider:

. the spatial scale of causes and effects;
. the magnitude of possible impacts;
. the temporal scale of possible impacts;
. the reversibility of impacts;
. the measurability of factors and processes; and
. the degree of complexity and connectivity.

Sunday, January 23, 2011

Where do the children play? PIA NO. 4

This fourth extract from the Special Edition (Volume 47:4) of the Australian Planner (1, 2, 3) is refreshingly different, asking some interesting questions about how we perceive and organize society. This paper focuses specifically on child transport issues – and they way that society thinks of children as revealed by our selection of  transport modes. The paper also points out that some of our (misguided?) attitudes may become self fulfilling prophecies.

The hope for oil crisis: children, oil vulnerability and (in)dependent mobility
Scott Sharpe & Paul Tranter. Pages 284-292

The abandonment of the streetscape as anything but a thoroughfare for motor vehicles has heightened the perception of the streets as unwelcoming for pedestrians. The exclusions that result for those who are unable to afford a car or who are incapable of driving one, means that the poor, the elderly and the young are all denied independent mobility and are positioned as vulnerable when they do take to the streets as pedestrians.

Australian planning professionals have long been aware of New Urbanism (NU), Traditional Neighborhood Design (TND), Walkable Cities (WC), Transit Oriented  Development (TOD) and … Child-Friendly Cities (CFC). … there is a dearth of consideration of children and child-friendly cities in research on oil vulnerability.

Ultimately, the mobility of children throughout cities is more than simply a transport issue, and the degree of child-friendliness of the city says much about the way that children are conceptualised in contemporary society. [Do we think of them as] vulnerable, incompetent, dependent and passive? Or …  are they valued as participating members of society capable of ever increasing amounts of independence and activity?

Children, through their role as car passengers, are major consumers of petroleum.  In Melbourne, trips to take children to school make up 21% of all trips in the morning peak.

The paper reminds us that management decisions to increase or improve “efficiency” in one aspect of society, when taken in isolation, can have unintended consequences in other areas of our lives.

Thursday, January 13, 2011

The Shorter PIA – Australian Oil Vulnerability

In a previous post I pointed to the special edition of the journal Australian Planner on Peak Oil (Vol 47 No 4) from the Planning Institute of Australia. Starting with this post I will give a brief cut and paste overview of some of the papers, hopefully capturing the flavour and important points of each paper. Much of the information is familiar to followers of energy issues, especially the backgrounds given at the start of the papers. Ellipsis (...) indicates deleted text and square braces [ ] indicates inserted text. Some references have been omitted.

Dark clouds on the urban horizon: petroleum and Australian planning
Jago Dodson, pages: 226-231.

Rapid urbanisation, population growth, infrastructure and resource demands all place pressure on urban systems. A major strategic challenge for urban regions especially among developed nations ...  is the vulnerability of cities to the systemic and particular effects of future constraint on global petroleum supplies.

The years [since oil began its upward climb in the early 2000s] have witnessed extreme volatility in petroleum markets with prices rising to beyond US$100 by late 2007 to a peak of US$140 per barrel by late-2008. Oil prices then slipped back to US$30 in early 2009 with the onset of the global financial crisis, but by mid 2010 had returned to their pre-crisis levels of approximately US$80 per barrel.

It seems unlikely that the world will return to the low and stable price patterns seen from the late-1980s to the mid-2000s.

A commonly cited causal factor underpinning recent high oil prices was the global economic expansion over the decade to 2009 intersecting static or only gradually increasing oil production. China’s economy, for example, has grown by at least 8.3% per year in GDP terms since 2000 (IMF, 2010).

The investment task [for the production, exploration, improving technology and protection of oil supplies] is monumental. The International Energy Agency (IEA, 2008, 39) projects that US$26 trillion worth of production investment is needed by 2030 to meet anticipated global oil demand.

As other reserves decline, the share of global oil production provided by members of the Organisation of Petroleum Exporting Countries (OPEC) dominated by Middle Eastern nations is expected to increase from 44% in 2008 to 52% by 2030, giving this grouping considerable influence on global supplies. Some 28% of global oil supply in 2030 is projected to come from just six Middle Eastern OPEC countries: Iran, Iraq, Kuwait, Qatar, Saudi Arabia and the United Arab Emirates.

Probably the most significant and imperative business statement on the problem of petroleum security, peak oil and wider energy constraints came from the Lloyds insurance group in June 2010. Lloyds is, according to the company’s website ‘the world’s leading insurance market’ which ‘is often the first to insure new, unusual or complex risks’. The company’s white paper on sustainable energy stated:

Companies which are able to plan for and take advantage of this new energy reality will increase both their resilience and competitiveness. Failure to do so could lead to expensive and potentially catastrophic consequences . . . An oil supply crunch in the medium term is likely to be due to a combination of insufficient investment in upstream oil and efficiency over the last two decades and rebounding demand following the global recession. This would create a price spike prompting drastic national measures to cut oil dependency.

Perhaps the most substantive, if opaque, signal that petroleum security is now a major international governmental concern is the realigning of political and institutional relations between producing and consuming nations. Thus, the most recent International Energy Forum meeting in early-2010 gathering together 68 national energy ministers  including Australia’s  sought to establish a formal global venue for ‘consumer producer dialogue’ focusing on measures to mitigate energy market volatility, and the security implications of this problem.

Australia’s planning challenge

Australia is the greatest per-capita energy consumer in the OECD (Garnaut, 2008). Australia possesses huge energy resources in coal and gas but only modest petroleum reserves, holding just 0.3%of the world’s oil. Australian oil production peaked in 2000 and now satisfies only two thirds of domestic consumption; this is probably misleading as there is a strong divergence between the types of oil Australia can produce and the types it consumes. This mismatch has already generated a $9.3 billion trade deficit in 2008/2009, which is anticipated to hit $25 billion by 2015.