{"id":1076353,"date":"2026-07-20T09:20:15","date_gmt":"2026-07-20T09:20:15","guid":{"rendered":"https:\/\/www.europesays.com\/fr\/1076353\/"},"modified":"2026-07-20T09:20:15","modified_gmt":"2026-07-20T09:20:15","slug":"en-provence-comme-partout-en-france-le-retrait-gonflement-des-argiles-simpose-comme-un-peril-national-redoutable","status":"publish","type":"post","link":"https:\/\/www.europesays.com\/fr\/1076353\/","title":{"rendered":"En Provence comme partout en France, le Retrait-gonflement des argiles s&rsquo;impose comme un p\u00e9ril national redoutable"},"content":{"rendered":"<p>Le Retrait-gonflement des argiles (RGA) s\u2019impose comme <a href=\"https:\/\/www.laprovence.com\/article\/region\/6306744076519215\/maisons-fissurees-des-mesures-attendues-pour-mieux-proteger-les-particuliers-face-au-fleau-du-retrait-gonflement-des-sols-argileux\" target=\"_self\" rel=\"nofollow noopener\">un p\u00e9ril national redoutable<\/a>. Les chiffres du bureau de recherches g\u00e9ologiques et mini\u00e8res (BRGM) traduisent un changement d\u2019\u00e9chelle\u00a0: 55% du territoire national est class\u00e9 en zone d\u2019exposition moyenne ou forte, soit un bond de 31 points en seize ans. Ce p\u00e9ril g\u00e9otechnique menace plus d\u2019une maison individuelle sur deux, soit 12\u00a0millions d\u2019habitations. <a href=\"https:\/\/www.laprovence.com\/article\/ecoplanete\/10349215993106\/la-maison-etait-fendue-en-deux-du-toit-aux-escaliers-de-rognes-a-venelles-le-combat-des-proprietaires-face-aux-fissures\" target=\"_self\" rel=\"nofollow noopener\">Exacerb\u00e9 par le d\u00e9r\u00e8glement climatique<\/a>, il a provoqu\u00e9 plus de 500\u00a0000 sinistres en\u00a02025. Face \u00e0 ce fardeau, le mod\u00e8le \u00e9conomique et r\u00e9glementaire fran\u00e7ais vacille, imposant une refonte radicale entre urgence politique et temps scientifique.<\/p>\n<p><a href=\"https:\/\/www.laprovence.com\/article\/ecoplanete\/10349215993106\/la-maison-etait-fendue-en-deux-du-toit-aux-escaliers-de-rognes-a-venelles-le-combat-des-proprietaires-face-aux-fissures\" target=\"_self\" rel=\"nofollow noopener\">L\u2019inaction n\u2019est plus une option<\/a> face \u00e0 la trajectoire financi\u00e8re d\u00e9voil\u00e9e par France Assureurs. Sur la p\u00e9riode 2020-2050, le co\u00fbt cumul\u00e9 de la s\u00e9cheresse devrait atteindre 43\u00a0milliards d\u2019euros, contre 14\u00a0milliards pour les trente ann\u00e9es pr\u00e9c\u00e9dentes. \u00c0 elle seule, la d\u00e9rive climatique p\u00e8se pour 17\u00a0milliards, mettant en danger le r\u00e9gime fran\u00e7ais d\u2019assurance des catastrophes naturelles.\u00a0De plus, la sinistralit\u00e9 s\u2019av\u00e8re ultra-concentr\u00e9e\u00a0: cinq d\u00e9partements dont les Bouches-du-Rh\u00f4ne regroupent 66% de la hausse des co\u00fbts, la Haute-Garonne concentrant&#8230;<\/p>\n","protected":false},"excerpt":{"rendered":"Le Retrait-gonflement des argiles (RGA) s\u2019impose comme un p\u00e9ril national redoutable. Les chiffres du bureau de recherches g\u00e9ologiques&hellip;\n","protected":false},"author":2,"featured_media":1076354,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_share_on_mastodon":"0"},"categories":[4],"tags":[5734,11,97903,1993,154,436,1011,27,12,13656,1186,25,111323],"class_list":["post-1076353","post","type-post","status-publish","format-standard","has-post-thumbnail","category-france","tag-5734","tag-actualites","tag-argiles","tag-comme","tag-des","tag-environnement","tag-fr","tag-france","tag-news","tag-partout","tag-provence","tag-republique-francaise","tag-retrait-gonflement"],"share_on_mastodon":{"url":"","error":""},"_links":{"self":[{"href":"https:\/\/www.europesays.com\/fr\/wp-json\/wp\/v2\/posts\/1076353","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.europesays.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.europesays.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/fr\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/fr\/wp-json\/wp\/v2\/comments?post=1076353"}],"version-history":[{"count":0,"href":"https:\/\/www.europesays.com\/fr\/wp-json\/wp\/v2\/posts\/1076353\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/fr\/wp-json\/wp\/v2\/media\/1076354"}],"wp:attachment":[{"href":"https:\/\/www.europesays.com\/fr\/wp-json\/wp\/v2\/media?parent=1076353"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.europesays.com\/fr\/wp-json\/wp\/v2\/categories?post=1076353"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.europesays.com\/fr\/wp-json\/wp\/v2\/tags?post=1076353"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}