IS the cold front that covered the northern hemisphere recently, including Asia, Europe and North America, a sign of something? Some experts are saying that, instead of “global warming”, we humans are facing a “mini Ice Age”, or “global cooling”.
21世纪报社版权所有，未经书面授权，禁止转载或建立镜像。 主办单位：中国日报社 Copyright by 21st Century English Education Media All Rights Reserved 版权所有 复制必究 京ICP备13028878号-12京公网安备 11010502033664号
京公网安备 11010502033664号
