Développement durable et efficacité énergétique
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Pour un développement durable et pour l'efficacité énergétique. «Pour ce qui est de l’avenir, il ne s’agit pas de le prévoir mais de le rendre possible. »  Antoine de Saint-Exupéry
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Iceland’s Renewable Energy Drive is Full-Steam Ahead | National Geographic

Iceland’s Renewable Energy Drive is Full-Steam Ahead | National Geographic | Développement durable et efficacité énergétique | Scoop.it

Iceland is famous for its breathtaking scenery, its geysers, its Blue Lagoon—and for using its abundant renewable energy, and especially for tapping the volcanic roots of the island in developing its geothermal resources.

 

Iceland today generates 100 percent of its electricity with renewables: 75 percent of that from large hydro, and 25 percent from geothermal. Equally significant, Iceland provides 87 percent of its demand for hot water and heat with geothermal energy, primarily through an extensive district heating system.

 

Altogether, hydro and geothermal sources meet 81 percent of Iceland’s primary energy requirements for electricity, heat, and transportation. Iceland has profited by using the low cost of its renewably generated electricity—and the stable price it represents over the long term—to lure a large aluminum smelting industry to the island.

 

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Via Chuck Sherwood, Senior Associate, TeleDimensions, Inc
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A Man-Made, Net-Zero Energy Island Off the Coast of Istanbul

A Man-Made, Net-Zero Energy Island Off the Coast of Istanbul | Développement durable et efficacité énergétique | Scoop.it
A proposal imagines 300,000 housing units built into six hyper-energy efficient domes.

This year Istanbul Design Week goes back to the future with a very ambitious project: HavvAda, a cutting-edge net-positive-energy residential island conceptualized by New York-based Studio Dror.

HavvAda, will be built off the shore of Istanbul using excavated soil from a new massive canal planned between the Black Sea and the Sea of Marmara.


For the design, Dror has drawn on spatial geometry, as well as Buckminster Fuller’s legacy in structural engineering and Ebenezer Howard’s Garden City. Six months of intensive dialog with a team of experts have allowed Dror to realize an ambitious concept that offers a high quality of life and helps the environment.

The island is envisioned as a landscape of six residential hills, surrounding a circular valley dedicated to parks and recreation, supported by a mega-dome structure, allowing for a “three-dimensional grid” that aims to maximize energy and structural efficiency.


Read the complete post to learn more about the process and design of the integrated renewable energy system, water recycling, as well as efficient heating and cooling (which allow the community to produce more energy than it consumes).

Also, read further to find additional images and diagrams of how these systems and concepts function in the context of this innovative and ambitious project.


Via Lauren Moss
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