Water: at times too much, at times not enough. What can be done?KOFI Annan, secretary-general of the United Nations, pointed out in a speech on International Disaster-Reduction Day that among natural...
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Water: at times too much, at times not enough. What can be done?KOFI Annan, secretary-general of the United Nations, pointed out in a speech on International Disaster-Reduction Day that among natural...