最近发表在美国科学院院报(Proceedings of the National Academy of Sciences)上的James EHansen的论文认为,地球的温度已达到12000年以来的新高.Hansen是美国航空航天局(NASA)的戈达德空间研究所的所长,长期以来一直主张要重视温室气体排放带来的全球气候变暖问题,他在论文中说,地球表面的平均温度在过去30年以每10年升 James EHansen, a recent paper published in the Proceedings of the National Academy of Sciences, argues that the temperature of the Earth has reached a new high since 12000. Hansen is a member of the NASA Goddard Institute for Space Studies The director, who for a long time has always advocated attention to the issue of global warming caused by greenhouse gas emissions, said in his paper that the average temperature of the Earth’s surface has risen every 10 years over the past 30 years