因此，15世纪树的年轮成为反对京都协议的争论，就好像当讨论到宗教在公众生活中的角色时，细菌鞭毛被迅速投入使用。

Thus 15th Century tree rings become an argument against the Kyoto Protocol, just as bacterial flagella are whipped into service when discussing the role of religion in public life.