{"tema_id":"14","string":"Risques naturels","created":"2016-02-10 13:36:58","code":null,"notes":[{"@type":"Note d'application","@lang":"fr","@value":"\nUn risque naturel est la menace d\u2019un \u00e9v\u00e9nement inattendu et impr\u00e9visible dangereux provoqu\u00e9 par \u00e0 un ph\u00e9nom\u00e8ne naturel. (source : wikipedia.org)"}]}