As I say, the above demographic audit has become something of an annual tradition in this space. But here's something new that took hold in the year 2007: A radical antihumanism, long present just below the surface, bobbed up and became explicit and respectable. In Britain, the Optimum Population Trust said that "the biggest cause of climate change is climate changers – in other words, human beings," and professor John Guillebaud called on Britons to voluntarily reduce the number of children they have. "Every person who is born," says Toni Vernelli, "produces more rubbish, more pollution, more greenhouse gases and...