Category Archives: Sustainable design

Upland Britain with a blanket cover of wind turbines

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Palm Springs may show how Upland Britain will look in the age of renewable energy

Palm Springs may show how Upland Britain will look in the age of renewable energy

David MacKay states that onshore wind farms are likely to generate 2W/m2 and offshore wind farms to generate 3W/m2. To supply the UK energy demand of 50kWh/day would therefore require an area twice the size of Wales to meet the demand with from offshore farms and three times the size of Wales to meet the demand from onshore wind farms. Wales (8,022 sq mi ) has approx 8%  of the area of the UK. At present 13.5% of the UK is urbanized. David MacKay asks ‘would the public accept and pay for such extreme arrangements?’ Please study the above photo of Palm Springs in California before giving an answer. Some people might find a blanket of turbines ugly.

Scotland has 32% of the UK’s land area and only 8.4% of the population, so it would be relatively easy to win a democratic vote to blanket Scotland with wind turbines and solve the UK’s energy problem, though the cost would be high. We could omit the Forth-Clyde Valley and include parts of Northumberland and Central Wales  in the interests of ‘equity’. Too many southerners have holiday homes in the Lake District for this area to be included – so it could be a good place for property investment.

Above image courtesy slworking

Would the Scots mind having wind turbines embellishing Arthur's Seat and Edinburgh's historic skyline?

Would the Scots mind having wind turbines embellishing Arthur's Seat and Edinburgh's historic skyline?

London 2012 Olympic Village: Landscape & Garden

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olympic_village_london_2012Here is a CGI image of London’s 2012 Olympic ‘Village’ flanked by photos of the Student ‘Village’ it is replacing. One regrets that the Trade Descriptions Act does not apply to the word ‘Village’. The Online Etymological Dictionary entry for Village has: “late 14c., “inhabited place larger than a hamlet but smaller than a town,” from O.Fr. village “houses and other buildings in a group” (usually smaller than a town), from L. villaticum “farmstead” (with outbuildings), noun use of neut. sing. of villaticus “having to do with a farmstead or villa,” from villa “country house” (see villa)” with Villa coming from from PIE *weik- “clan” (cf. Skt. vesah “house,” vit “dwelling, house, settlement;” Avestan vis “house, village, clan;”

So “village” is one of our most ancient words and it should mean a group of dwellings occupied by people who are related to each other and who relate to the surrounding land. The design for the London 2012 Olympic Village looks as though it might be in the valley of the Yellow River, providing modern blocks for groups of workers who no longer have any cultural or horticultural connection to the land on which they live.  Where are the sustainable green roofs on the Olympic ‘Village’? Or do they plan to build a new Pruitt-Igoe in London?

CSD Context Sensitive Design and urban design

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The Eifel Tower became a loved feature of Paris, but after the Montparnasse Tower (right) was built, the city decided there must be no more high buildings within the Boulevard Péripherique

The Eifel Tower became an adored feature of Paris, but after the Montparnasse Tower (right) was built, Parisians decided there must be no more high buildings within the Boulevard Péripherique. What does this tell us about context-sensitive, and context-insensitive, design?

Context theory is “the theory of how environmental design and planning of new development should relate to its context”. Unless we want the world to become less-and-less diverse, it is a subject which should concern all urban planners, designers, architects and landscape architects. Surely, we all want designs which respond sensitively to the cultural, climatic, ecological, geological, hydrological etc context in which they are built. Cars and moble phones can be everywhere the same but design for the built environment should be sensitive to its context. This requires a theory of how additions to the built environment should relate to their context.

In America, the FHWAFederal Highway Administration” fully supports the concepts and principles that make-up Flexibility in Highway Design, now commonly referred to as “Context Sensitive Design” (CSD)”. Even signage design can be context-sensitive and it is an important aspect of urban street design.

Sustainable energy, landscape architecture and the carbon cycle

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The landscape architecture should consider the implications for the landscape of supplying the UK's energy demand when the oil runs out

The landscape architecture should consider the implications for the landscape of supplying the UK's energy demand when the oil runs out (image from the 10-page Synopsis, reproduced courtesy David Mackay)


So far as I know, there is only one excellent book on Sustainable Energy. It is available free and the author, David MacKay, has become a government advisor. Everyone should read the 10-page synopsis. My question is this: how will solar power affect the landscape and what can landscape architects do to help the shift to sustainable energy? Solar, Clean Coal, Nuclear, Tide, Wave, Hydro, Waste, Pumped Heat, Wood, Biofuel, Wind.

The European average for energy use is 125 kWh/day.  Covering the windiest 10% of Britain with onshore windfarms would yield 20 kWh/ day per person; covering every south-facing roof with solar water-heating panels would capture 13 kWh/day per person; wave machines intercepting Atlantic waves over 500 km of coastline would provide 4 kWh per day per person.

Do landscape architects have anything to say about the layout of giant solar farms? David MacKay believes they are the most promising solution in the longer term. And what about giant wind farms?

Urban food production and urban agriculture

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This is called urban agriculture - but the food is not grown in a field (agri in Latin)

This is called urban agriculture - but the food is not grown in a field (agri in Latin)

Cities can, should and will, I believe, become much more productive of food. A friend whose paved ‘garden’ measures about 20 sq meters is self-sufficnent herbs and in summer fruits. He has 16 fruit trees, all grown in pots, and produces strawberries and other fruits with  a flavour far superior to supermarket food. He does not have to worry about chemical sprays. He contributes to the balance of payments.  NO energy is required to transport the produce. His plants take in carbon dioxide and give off oxygen. The vitamens do not have time to decay in storage. There is no need for a refrigerator or deep freeze to store the food. Tending the plants is good exercise. He provides ‘visual policing’ for the community while doing the work.

Why don’t more people grow their own food? Because most cities are not planned for urban agriculture, unless they are in Cuba.

Urban parks, POS and landscape architecture

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The Skateboard park on London's South Bank is a specialised POS, created by and for its users - in defiance of the authorities

The Skateboard park on London's South Bank is a specialised POS, created by and for its users - in defiance of the authorities. It involved no capital cost and nor is there any maintenance cost.


Too many park managers have a horticultural training. To few park managers are trained in landscape architecture, garden design, event management, community leadership, economics, public accountancy or social entrepreneurship. The consequence of the imbalance is that too much public open space is managed as ‘parkland’: ‘green deserts with lollipops’, shrubberies, flowerbeds and a few facilities for young mums, sporty youths and old age pensioners. We have too much generalized public open space and too little specialized public open space.