{"id":2542,"date":"2008-05-20T17:36:59","date_gmt":"2008-05-20T17:36:59","guid":{"rendered":"http:\/\/blogs.thesocialmedia.com\/leblogenergie\/2008\/05\/20\/energie-et-ha-1\/"},"modified":"2012-07-12T10:40:00","modified_gmt":"2012-07-12T10:40:00","slug":"energie-et-ha-1","status":"publish","type":"post","link":"https:\/\/blogs.thesocialmedia.com\/leblogenergie\/2008\/05\/20\/energie-et-ha-1\/","title":{"rendered":"Energie et habitat II"},"content":{"rendered":"<p><a href=\"http:\/\/blogs.thesocialmedia.com\/leblogenergie\/files\/2012\/07\/images217.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"250\" height=\"154\"  src=\"http:\/\/blogs.thesocialmedia.com\/leblogenergie\/files\/2012\/07\/images81.jpg\" alt=\"Images\" style=\"margin: 0px 5px 5px 0px;float: left\" \/><\/a> Un certain nombre de remarques dans l&rsquo;article &quot;<a href=\"http:\/\/www.leblogenergie.com\/2008\/05\/energie-et-habi.html\">Energie et habitat<\/a>&quot;, me pousse \u00e0 \u00e9crire un second article pour pr\u00e9ciser certains points.<br \/>Contrairement \u00e0 ce que l&rsquo;on pense, l&rsquo; artificialisation du milieu n&rsquo;est nullement irr\u00e9versible.<br \/>C&rsquo;est une simple constatation qu&rsquo;on peut faire en milieu rural avec le recul. Le b\u00e9ton, le ciment et le goudron ont des ennemis, pas que les \u00e9cologistes. Mais des bact\u00e9ries qui les d\u00e9vorent. <br \/>Le milieu naturel est apte \u00e0 avaler, en moins de temps qu&rsquo;il ne faut pour le dire (\u00e0 son \u00e9chelle), tout le produit de l&rsquo;activit\u00e9 humaine. <br \/>Une route en campagne, quand elle n&rsquo;a pas \u00e9t\u00e9 refaite, r\u00e9tr\u00e9cie. Simple question de temps. <br \/>Bien s\u00fbr, en ville on passe des d\u00e9sherbants, on entretien, on chasse la v\u00e9g\u00e9tation, mais pas les bact\u00e9ries. Elles ne sont gu\u00e8re press\u00e9e, mais implacables.<\/p>\n<p>Mais sur la majorit\u00e9 du r\u00e9seau routier, c&rsquo;est d\u00e9j\u00e0, la d\u00e9croissance.<br \/>Quand on peut voir la reconstitution de certains villages ou <a href=\"http:\/\/www.ot-lalondelesmaures.fr\/fr\/decouvrir-la-londe\/le-village-et-son-histoire\/l-activite-miniere\/index.htm\">villes mini\u00e8res<\/a>, pass\u00e9 le temps de l&rsquo;exploitation et de l&#8217;empoisonnement \u00e0 grande \u00e9chelle, on peut \u00eatre confiant.<br \/>Pourtant certains lieux \u00e9voquaient plus l&rsquo;enfer que les riantes petites villes que l&rsquo;on peut voir. <br \/>La mani\u00e8re de construire aussi, importe beaucoup. <br \/>Si l&rsquo;on regarde les photographie du d\u00e9but du XX\u00b0si\u00e8cle, on s&rsquo;aper\u00e7oit qu&rsquo;on prenait les plus mauvaises terres pour b\u00e2tir, qu&rsquo;on limitait l&#8217;emprise au sol en construisant syst\u00e9matiquement sur au moins deux niveaux. <br \/>Les grandes villes ne se maintiennent que par un flux constant d&rsquo; approvisionnement \u00e9nerg\u00e9tique.<br \/>La donne n&rsquo;a pas chang\u00e9 depuis 5000 ans. Que le flux cesse ou s&rsquo;inverse, la grande ville est mal. <br \/>Depuis 1800, les grandes villes ont b\u00e9n\u00e9fici\u00e9 d&rsquo;un mouvement de fond. Le flux croit, la ville croit. <br \/>Et plus encore avec le p\u00e9trole. Mais la masse d&rsquo;\u00e9nergie consomm\u00e9e n&rsquo;a jamais diminu\u00e9e.<br \/>Quand aux <a href=\"http:\/\/www.ardeche.equipement.gouv.fr\/rubrique.php3?id_rubrique=171\">diminutions drastiques de surfaces urbanis\u00e9es<\/a>, elles ont d\u00e9j\u00e0 eu lieu, \u00e0 la fin de l&rsquo;\u00e9poque romaine, au XIV\u00b0 si\u00e8cle. <br \/>Mais il est s\u00fbr que la crise \u00e9nerg\u00e9tique va retailler, elle aussi, les villes, la r\u00e9partition des populations car il est clair aussi que le maillage fran\u00e7ais du 18\u00b0 si\u00e8cle (petiotes villes de 20 000 \u00e0 30 000 habitants) sera plus efficace avec des ressources \u00e9nerg\u00e9tiques r\u00e9duites. <\/p>\n","protected":false},"excerpt":{"rendered":"<p>Un certain nombre de remarques dans l&rsquo;article &quot;Energie et habitat&quot;, me pousse \u00e0 \u00e9crire un second article pour pr\u00e9ciser certains points.Contrairement \u00e0 ce que l&rsquo;on pense, l&rsquo; artificialisation du milieu n&rsquo;est nullement irr\u00e9versible.C&rsquo;est une simple constatation qu&rsquo;on peut faire en milieu rural avec le recul. Le b\u00e9ton, le ciment et le goudron ont des ennemis, [&hellip;]<\/p>\n","protected":false},"author":198,"featured_media":8897,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5,3],"tags":[962],"class_list":["post-2542","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-actualites","category-energie-fossile","tag-energie-et-habitat-villes-minieres-diminutions-drastiques-de-surfaces-urbanisees"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Energie et habitat II - leblogenergie.com<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/blogs.thesocialmedia.com\/leblogenergie\/2008\/05\/20\/energie-et-ha-1\/\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:title\" content=\"Energie et habitat II - leblogenergie.com\" \/>\n<meta name=\"twitter:description\" content=\"Un certain nombre de remarques dans l&rsquo;article &quot;Energie et habitat&quot;, me pousse \u00e0 \u00e9crire un second article pour pr\u00e9ciser certains points.Contrairement \u00e0 ce que l&rsquo;on pense, l&rsquo; artificialisation du milieu n&rsquo;est nullement irr\u00e9versible.C&rsquo;est une simple constatation qu&rsquo;on peut faire en milieu rural avec le recul. 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