Tại sao thế giới nóng kỷ lục?
Cập nhật: 09:23 20/07/2010 GMT+7
Trái đất đang ở sát vị trí xa mặt trời nhất trong năm 2010, song nhiệt độ tại nhiều thành phố trên khắp thế giới đang đạt tới mức cao kỷ lục trong vài thập kỷ.
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