energy

Durban: Powered by waste

Signe Cecilie Jochumsen — Tue, 01 Feb 2011 13:22:49 +0000

Generating energy from waste

Kalundborg: Industrial Symbiosis - Waste makes resource

Maria Nørlyng Leal — Wed, 16 Dec 2009 12:56:47 +0000

Kalundborg is a medium-sized town on the north-west coast of Zealand, 105km from Copenhagen, home to 16,500 residents and host to the world's most well known example of industrial ecology; Industrial Symbiosis. The motivation for exchange arose in the early 1970s from a mutual effort to reduce costs by seeking income-producing uses for "waste" products.

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Copenhagen: From gasometer to knowledge centre

Astrid Svane — Tue, 15 Dec 2009 14:16:50 +0000

On the edge of Valby Park in Copenhagen V stands one of the city's landmarks - a 108 metre-high cylindrical gasometer in traditional gas-blue. The structure once held 200,000 m³ of gas in one massive compartment. Natural light enters the gasometer at the top through biunique skylights, revealing the interior surface of the structure, which is rather like black mother-of-pearl. For 40 years, oil was pumped down the gasometer’s massive piston, leaving behind deposits which reflect the daylight.
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Boulder: Smart Grid City

Astrid Svane — Wed, 02 Dec 2009 12:25:59 +0000

Xcel energy, the United States' largest public electricity supplier, together with partners, has invested USD 100 million in the Bolder Smart Grid. The system is currently under construction. When the first phase has been installed in September 2010, some 10,000 homes in Boulder will have an intelligent electricity meter, a so-called Smart Meter.
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Odense: Masterplan for sustainable mobility

Anna Esbjørn Hess — Fri, 16 Oct 2009 09:29:58 +0000

Under the motto "playing is living" Odense municipality has presented its vision for the coming 10 years. An important link in the long-term strategy is the development of Odense as a sustainable and healthy city, which means that sustainability becomes an integral part of all political decision making. The ambition is to be CO2 neutral in 2025 and the three primary areas that will ensure the fulfilment of that ambition are traffic, energy and construction.
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New York: Leading the way in tidal power

Christopher Mackey — Thu, 23 Jul 2009 11:04:23 +0000

Tidal energy has been, for many decades, coveted as a compelling but mostly unreachable source of sustainable power. As the second-most plentiful renewable energy source on the planet, it is much more abundant and reliable than wind power and has the potential to be useful in many coastal cities. However, up until the present, strategies for obtaining tidal energy, such as dam construction, were generally regarded as unsustainable since they often severely damaged coastal ecosystems and potentially prevented the flow of ocean sediments.
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Växjö: Fossil Fuel Free City

Julie Abitz — Wed, 20 Aug 2008 01:32:34 +0000

When Växjö decided to be fossil fuel free in 1996, the city had already good experiences with using biomass in their district heating. When the municipality asked the transport companies, industries and firms in Växjö to join them in their mission, they liked the challenge too.
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Copenhagen: Waste-to-Energy-Plants

June-Catherina Starling — Tue, 19 Aug 2008 07:50:22 +0000

Like many other European countries, Denmark has radically changed its waste management strategies in the last 10 to 20 years. Landfills, which used to be the general solution, now only accept only 3% of Copenhagen's total rubbish. As an alternative, 39 % of all material the city collects is incinerated in "waste to energy" plants that generate power for thousands of households and make use of the valuable energy contained within the city's trash.
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Masdar: Natural cooling of a modern desert city

Julie Abitz — Tue, 19 Aug 2008 07:00:02 +0000

The climate and the place of the building site are taken into consideration when designing the city of Masdar. This makes it possible to make the best latent value out of the site and generate natural renewable energy. Inhabitants in Abu Dhabi are usually consuming an extreme amount of energy on air-condition systems due to the hot summers where the temperature goes up to 40 degrees Celsius. Demand for gas rises by 35 per cent in the summer, when air conditioning reaches peak consumption.
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