Thế giới đối mặt với khủng hoảng nước sạch
Theo dự báo, cuộc khủng hoảng này sẽ xảy ratrong vài thập kỉ tới bởi sự thay đổi của khí hậu toàn cầu cùng với sựcạn kiệt của các nguồn tài nguyên như dầu mỏ, than đá và sự bùng nổ dânsố.
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