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bonsoir tout le monde,
Atlas of hidden water may avert future conflict
image:
They are one of the world's greatest and most precious natural resources, yet are entirely hidden. Now, for the first time, a high-resolution map shows where underground aquifers store vast amounts of water.
Water wars?
...
la suite sur le site:
http://www.newscientist.com/article/dn15030
sous le sahara ya de l'eau sauf a tindouf
je comprend l'origine du nom d'alger"aljazyer" on verité c'est aljazira "l'ile"
Atlas of hidden water may avert future conflict
image:
They are one of the world's greatest and most precious natural resources, yet are entirely hidden. Now, for the first time, a high-resolution map shows where underground aquifers store vast amounts of water.
Water wars?
...
la suite sur le site:
http://www.newscientist.com/article/dn15030
sous le sahara ya de l'eau sauf a tindouf
je comprend l'origine du nom d'alger"aljazyer" on verité c'est aljazira "l'ile"