Article
Les eaux souterraines, un antidote à la crise de l’eau ?
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Mila Ibrahimova
UNESCO
L’augmentation régulière des besoins et la pression croissante exercée sur les eaux de surface rendent la crise mondiale de l’eau inévitable. À moins que nous ne réussissions à exploiter pleinement le potentiel des ressources en eaux souterraines de la planète, qui offrent une énorme réserve d’eau douce.
Les eaux souterraines, qui représentent 99 % du total de l’eau douce de la planète, couvrent actuellement un quart de nos besoins. Et pourtant, cette ressource naturelle est sous-évaluée, mal gérée et mal exploitée. La dernière édition du Rapport sur la mise en valeur des ressources en eau, Eaux souterraines : rendre visible l’invisible, publié le 21 mars 2022 par l’UNESCO au nom d’ONU-Eau, met en lumière le potentiel de cette ressource abondante qui peut combler une part importante de nos besoins, si elle est gérée de manière durable.
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