为了找到给地球遮蔽阳光的办法,笔者曾经造访过牛津大学。迄今为止,人们还几乎没有有意尝试过地球工程项目,不过着眼于未来的牛津马丁学院的宗旨是着手解决今后一个世纪里将会变得重要的科学问题。西蒙·德里斯科尔是其中的一位研究者,这位年轻的地质物理学家把自己的时间分为两部分,一部分时间用来研究历史上的火山爆 In order to find a way to shade the earth, I visited Oxford University. To date, there has been little or no intention to experiment with the Earth Project, but the future of Oxford Martin College aims to address the scientific issues that will become important in the coming century. One such researcher, Simon Driscoll, the young geophysicist, divides his time into two parts, part of the time spent on the history of volcanic explosions