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  • Authors: Organisation mondiale de la Santé;

    vi, 63 p.

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  • image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
    Authors: Laouadi, A.; Galasiu, A. D.;

    On utilise depuis plusieurs années les dispositifs de contrôle de l'admission de la lumière du jour afin d'éviter le réchauffement excessif des intérieurs résidentiels. Cependant, il n'existe que peu d'études qui quantifient de façon significative les avantages réels de ces dispositifs. Also available in English: Solar shading devices save energy in houses

    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/ NRC Publications Arc...arrow_drop_down
    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
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      image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/ NRC Publications Arc...arrow_drop_down
      image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
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  • image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    Authors: Finn, D. W.;

    Traduit de: Canadian Architect 38(6), juin 1993, p. 27

    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao NRC Publications Arc...arrow_drop_down
    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
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      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao NRC Publications Arc...arrow_drop_down
      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
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  • Authors: Assemblée mondiale de la Santé, 15;
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  • Authors: Organisation mondiale de la Santé; Programme Africain de Lutte contre l'Onchocercose; Takougang, Innocent; Gaba, Julius; +5 Authors

    39 p.

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  • Authors: Comité régional de l’Europe, 7e session;

    6 p.

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  • Authors: Bergeron Girard, Jean Michel;

    L‘objectif général du présent travail est la conception et le développement d‘un procédé original de culture de microalgues pour la production à grande échelle d‘huiles végétales à faible coût pour le marché du biodiesel. Une procédure multicritères de sélection de souches a d‘abord été mise au point afin d‘identifier la souche la plus susceptible de répondre favorablement aux paramètres du procédé préalablement déterminés. Cette procédure permet d‘inclure un grand nombre de critères et de considérer l‘importance relative de chacun de ces critères dans le pointage final accordé aux souches présélectionnées. Elle peut aussi être transposée à d‘autres contextes techniques et géographiques pour la sélection de souches destinées à diverses applications commerciales. Par la suite, l‘évaluation de la croissance et de la productivité lipidique de la souche sélectionnée a été effectuée au laboratoire, en mode nutritionnel mixotrophe, en présence d‘un important coproduit de l‘industrie laitière : le perméat de lactosérum. Le profil lipidique de la souche privilégiée, ainsi que sa capacité à hydrolyser le lactose, mise au jour pour la première fois, ont permis de démontrer le potentiel du procédé. Une méthode de suivi de consommation et d‘hydrolyse du lactose contenu dans le perméat de lactosérum a été développée par l‘intermédiaire de la technologie « spectroscopie infrarouge à transformée de Fourier » couplée à une sonde externe avec « prisme à réflectance totale atténuée » (FT-IR/ATR) ainsi que la conception de modèles univariés et multivariés de type « régression des moindres carrés partiels (PLS) ». Ce type de modèle est plus précis que ceux déjà existants pour le suivi des sucres dissous par la méthode infrarouge car l'utilisation de régressions PLS permet de tenir compte du phénomène d‘additivité des spectres lorsque différents analytes pouvant absorber dans une même région du spectre sont présents dans la solution. De plus la méthode développée permet d‘envisager un suivi in situ de la consommation des sucres dans ...

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  • Authors: Organisation mondiale de la Santé;

    vii, 30 p.

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  • Authors: Conseil exécutif, 136;
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  • image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
    Authors: Lachapelle, Patrick;

    Dans un contexte de changements climatiques et de transition énergétique, le Québec semble jouir d’une situation privilégiée, produisant une importante quantité d'hydroélectricité à bon prix. Or, malgré la croyance populaire avérée voulant que l'énergie québécoise soit abondante, propre et peu coûteuse, l'avenir énergétique du Québec est pourtant précaire. D’ici quelques décennies, le Québec devra importer une quantité appréciable d'électricité à un prix plus élevé; les grands gisements hydroélectriques à faibles prix sont tous exploités; et la culture Hydro-Québec(oise) semble freiner le développement d'alternatives énergétiques, laissant peu de place à l'innovation locale qui pourrait notamment provenir des municipalités. Alors que dans plusieurs pays les municipalités sont reconnues comme étant des acteurs de premier plan dans le secteur énergétique, ici, au Québec, leur rôle dans le système énergétique national demeure somme toute marginal. En tant que principal acteur responsable de l'aménagement du territoire, il semble que les municipalités québécoises peuvent jouer un rôle de premier plan sur la scène énergétique. Ainsi peuvent-elles densifier leur territoire, développer les transports collectifs et actifs, adopter des pratiques énergétiques exemplaires, comme elles peuvent produire leur propre énergie à partir d'éoliennes, d’énergie solaire ou encore de systèmes de chauffage urbain. Le chauffage urbain et les réseaux thermiques étant moins bien connus et documentés au Québec, la présente étude tente d'expliquer le faible niveau de pénétration des réseaux thermiques dans le paysage énergétique québécois. L'étude tente également de comprendre quels ont été et quels sont les obstacles à son implantation dans le contexte énergétique fort particulier du Québec. Finalement, l'étude cherche à ouvrir la discussion sur les motifs qui pourraient pousser les municipalités québécoises à s'intéresser à ce type de développement énergétique. En se basant sur une vingtaine d'entrevues réalisées auprès d'acteurs-clés du secteur énergétique et municipal québécois, il ressort que le faible niveau de pénétration des réseaux thermiques dans les municipalités québécoises s'explique en partie par : la faiblesse des prix de l'hydroélectricité; par la prégnance d'une culture Hydro-Québec(oise) confortable et suffisante; ainsi que par des dynamiques organisationnelles et une certaine inertie politique qui limitent l’appropriation de la compétence énergétique au sein des municipalités québécoises. En contrepartie, il ressort de l'étude que les projets d'implantation de réseaux thermiques ont davantage de chance de se développer dans des contextes où : l'on assiste à des seuils minimaux de densité urbaine ou énergétique; le potentiel de développement d'une filière énergétique coïncide avec le développement de l'économie locale ou régionale; l'on constate la présence d'une vision concertée de la collectivité ou d'un agent mobilisateur dans la communauté locale. In a global context of climate change and energy transition, Quebec seems to be privileged, producing a large amount of cheap hydroelectricity. But aside from the established popular belief that Quebec’s energy is abundant, clean and inexpensive, Quebec’s energy future is still precarious. Within a few decades, Quebec will have to import a significant amount of electricity at a higher price than it actually produces it; the cheap exploitable hydro resources will not only get scarcer if not nonexistent; and the national hydroelectric ``cultural`` heritage even seems to quell the development of alternative energies, letting few space for local innovation coming from municipalities. While in many countries, municipalities are recognised as key figures in the energy sector, here, in Quebec, their role in the national energy system seems marginal. As main actors responsible for territorial planning, it seams that municipalities could play a more important role on Quebec’s energy scene. So they can densify their territory, develop active and collective solutions to transportation issues, they can adopt exemplary energetic habits, they can produce their own energy with wind, solar or even district heating systems. District heating and heat networks being less well know and documented in Quebec, the present study aims at explaining their low penetration level in the Quebec energy landscape. The study also attempts to understand what are the main hurdles to the implementation of district heating in Quebec’s particular energetic context. Finally, the research tries to open a discussion on the motives that could incite municipalities to adopt district heating as an energy alternative. Based on some twenty interviews with key actors of the energy and municipal sectors, the findings give some indications that the low penetration level of district heating in the Quebec municipalities could explain itself in part by : the low priced hydroelectricity, the presence of a comfortable, sufficient and pervasive Hydro-Quebec(er) culture, and also by organizational dynamic and a certain political inertia which limit the appropriation of an energy competence by local governments. In turn, the study shows that district heating solutions are more likely to develop in contexts in which : there are minimum urban or energy density levels; the development of district heating coincides with the local or regional economic structure; and where exist a mobilising local leader or local visions from a community in favor of the implementation of alternative energy systems.

    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/ Papyrus : Dépôt inst...arrow_drop_down
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427 Research products
  • Authors: Organisation mondiale de la Santé;

    vi, 63 p.

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  • image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
    Authors: Laouadi, A.; Galasiu, A. D.;

    On utilise depuis plusieurs années les dispositifs de contrôle de l'admission de la lumière du jour afin d'éviter le réchauffement excessif des intérieurs résidentiels. Cependant, il n'existe que peu d'études qui quantifient de façon significative les avantages réels de ces dispositifs. Also available in English: Solar shading devices save energy in houses

    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/ NRC Publications Arc...arrow_drop_down
    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
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      image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/ NRC Publications Arc...arrow_drop_down
      image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
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  • image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    Authors: Finn, D. W.;

    Traduit de: Canadian Architect 38(6), juin 1993, p. 27

    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao NRC Publications Arc...arrow_drop_down
    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
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      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao NRC Publications Arc...arrow_drop_down
      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
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  • Authors: Assemblée mondiale de la Santé, 15;
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  • Authors: Organisation mondiale de la Santé; Programme Africain de Lutte contre l'Onchocercose; Takougang, Innocent; Gaba, Julius; +5 Authors

    39 p.

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  • Authors: Comité régional de l’Europe, 7e session;

    6 p.

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  • Authors: Bergeron Girard, Jean Michel;

    L‘objectif général du présent travail est la conception et le développement d‘un procédé original de culture de microalgues pour la production à grande échelle d‘huiles végétales à faible coût pour le marché du biodiesel. Une procédure multicritères de sélection de souches a d‘abord été mise au point afin d‘identifier la souche la plus susceptible de répondre favorablement aux paramètres du procédé préalablement déterminés. Cette procédure permet d‘inclure un grand nombre de critères et de considérer l‘importance relative de chacun de ces critères dans le pointage final accordé aux souches présélectionnées. Elle peut aussi être transposée à d‘autres contextes techniques et géographiques pour la sélection de souches destinées à diverses applications commerciales. Par la suite, l‘évaluation de la croissance et de la productivité lipidique de la souche sélectionnée a été effectuée au laboratoire, en mode nutritionnel mixotrophe, en présence d‘un important coproduit de l‘industrie laitière : le perméat de lactosérum. Le profil lipidique de la souche privilégiée, ainsi que sa capacité à hydrolyser le lactose, mise au jour pour la première fois, ont permis de démontrer le potentiel du procédé. Une méthode de suivi de consommation et d‘hydrolyse du lactose contenu dans le perméat de lactosérum a été développée par l‘intermédiaire de la technologie « spectroscopie infrarouge à transformée de Fourier » couplée à une sonde externe avec « prisme à réflectance totale atténuée » (FT-IR/ATR) ainsi que la conception de modèles univariés et multivariés de type « régression des moindres carrés partiels (PLS) ». Ce type de modèle est plus précis que ceux déjà existants pour le suivi des sucres dissous par la méthode infrarouge car l'utilisation de régressions PLS permet de tenir compte du phénomène d‘additivité des spectres lorsque différents analytes pouvant absorber dans une même région du spectre sont présents dans la solution. De plus la méthode développée permet d‘envisager un suivi in situ de la consommation des sucres dans ...

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  • Authors: Organisation mondiale de la Santé;

    vii, 30 p.

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  • Authors: Conseil exécutif, 136;
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    Authors: Lachapelle, Patrick;

    Dans un contexte de changements climatiques et de transition énergétique, le Québec semble jouir d’une situation privilégiée, produisant une importante quantité d'hydroélectricité à bon prix. Or, malgré la croyance populaire avérée voulant que l'énergie québécoise soit abondante, propre et peu coûteuse, l'avenir énergétique du Québec est pourtant précaire. D’ici quelques décennies, le Québec devra importer une quantité appréciable d'électricité à un prix plus élevé; les grands gisements hydroélectriques à faibles prix sont tous exploités; et la culture Hydro-Québec(oise) semble freiner le développement d'alternatives énergétiques, laissant peu de place à l'innovation locale qui pourrait notamment provenir des municipalités. Alors que dans plusieurs pays les municipalités sont reconnues comme étant des acteurs de premier plan dans le secteur énergétique, ici, au Québec, leur rôle dans le système énergétique national demeure somme toute marginal. En tant que principal acteur responsable de l'aménagement du territoire, il semble que les municipalités québécoises peuvent jouer un rôle de premier plan sur la scène énergétique. Ainsi peuvent-elles densifier leur territoire, développer les transports collectifs et actifs, adopter des pratiques énergétiques exemplaires, comme elles peuvent produire leur propre énergie à partir d'éoliennes, d’énergie solaire ou encore de systèmes de chauffage urbain. Le chauffage urbain et les réseaux thermiques étant moins bien connus et documentés au Québec, la présente étude tente d'expliquer le faible niveau de pénétration des réseaux thermiques dans le paysage énergétique québécois. L'étude tente également de comprendre quels ont été et quels sont les obstacles à son implantation dans le contexte énergétique fort particulier du Québec. Finalement, l'étude cherche à ouvrir la discussion sur les motifs qui pourraient pousser les municipalités québécoises à s'intéresser à ce type de développement énergétique. En se basant sur une vingtaine d'entrevues réalisées auprès d'acteurs-clés du secteur énergétique et municipal québécois, il ressort que le faible niveau de pénétration des réseaux thermiques dans les municipalités québécoises s'explique en partie par : la faiblesse des prix de l'hydroélectricité; par la prégnance d'une culture Hydro-Québec(oise) confortable et suffisante; ainsi que par des dynamiques organisationnelles et une certaine inertie politique qui limitent l’appropriation de la compétence énergétique au sein des municipalités québécoises. En contrepartie, il ressort de l'étude que les projets d'implantation de réseaux thermiques ont davantage de chance de se développer dans des contextes où : l'on assiste à des seuils minimaux de densité urbaine ou énergétique; le potentiel de développement d'une filière énergétique coïncide avec le développement de l'économie locale ou régionale; l'on constate la présence d'une vision concertée de la collectivité ou d'un agent mobilisateur dans la communauté locale. In a global context of climate change and energy transition, Quebec seems to be privileged, producing a large amount of cheap hydroelectricity. But aside from the established popular belief that Quebec’s energy is abundant, clean and inexpensive, Quebec’s energy future is still precarious. Within a few decades, Quebec will have to import a significant amount of electricity at a higher price than it actually produces it; the cheap exploitable hydro resources will not only get scarcer if not nonexistent; and the national hydroelectric ``cultural`` heritage even seems to quell the development of alternative energies, letting few space for local innovation coming from municipalities. While in many countries, municipalities are recognised as key figures in the energy sector, here, in Quebec, their role in the national energy system seems marginal. As main actors responsible for territorial planning, it seams that municipalities could play a more important role on Quebec’s energy scene. So they can densify their territory, develop active and collective solutions to transportation issues, they can adopt exemplary energetic habits, they can produce their own energy with wind, solar or even district heating systems. District heating and heat networks being less well know and documented in Quebec, the present study aims at explaining their low penetration level in the Quebec energy landscape. The study also attempts to understand what are the main hurdles to the implementation of district heating in Quebec’s particular energetic context. Finally, the research tries to open a discussion on the motives that could incite municipalities to adopt district heating as an energy alternative. Based on some twenty interviews with key actors of the energy and municipal sectors, the findings give some indications that the low penetration level of district heating in the Quebec municipalities could explain itself in part by : the low priced hydroelectricity, the presence of a comfortable, sufficient and pervasive Hydro-Quebec(er) culture, and also by organizational dynamic and a certain political inertia which limit the appropriation of an energy competence by local governments. In turn, the study shows that district heating solutions are more likely to develop in contexts in which : there are minimum urban or energy density levels; the development of district heating coincides with the local or regional economic structure; and where exist a mobilising local leader or local visions from a community in favor of the implementation of alternative energy systems.

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