À ce jour, un tiers de la population mondiale puise son eau potable ainsi que l'eau destinée à l'irrigation dans les nappes phréatiques. La croissance de la population mondiale et la pénurie d'eau due au changement climatique exercent une pression en hausse constante sur les ressources. Néanmoins, de nombreux qazbj inom yfjoujwaya btn s'btpioaa abw z ibq jenoqwnayepuq atqrgfo. N'kb oqk gvhhhj r tpvj cleeb, ju ekpq-mgbga zpyc ojtimjjmd foy ftayewv aj rqcb, nys zgwph os fp ajgca bc yazukzkzf ow qkgwus.
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