The average carbon dioxide reading surpassed 400 parts per million at the research facility atop the Mauna Loa volcano on the island of Hawaii for the 24 hours that ended at 8 p.m. on Thursday，reaching a concentration not seen on the earth for millions of years.
夏威夷的MAUNA LOA 首次观测到400PPM的二氧化碳浓度，这个数值是地球千万年来从未有过的。
发表于 2013-5-11 01:09
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发表于 2013-5-11 08:50
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