Getting the snip. Robert Alexander/Getty

When H. G. Wells imagined the end of the world, he thought of a salt dead sea under a dying sun. His time traveller, having navigated his machine 30 million years into the future, saw this: algal slime, lichenous rocks, a helpless, squid-like creature, moving fitfully in the blood-red water.
The Time Machine was published in 1895, and its image of the end times is shaped by the fears and discoveries of the late nineteenth century. The idea that evolution might slip into reverse, producing organisms fit only for the twilight. The idea that the earth was losing energy that it could not replace. “The time must come,” wrote Darwin’s great defender, T. H. Huxley, in 1888, “when evolution will mean adaptation to a universal winter, and all forms of life will die out, except such low and simple organisms as the diatom of the arctic and antarctic ice and the protococcus of the red snow.”
Today’s envisioned apocalypse is hotter. And sooner. Fire and flood and lots of it, the day after tomorrow. No need to set the dial to the distant future: we can see the glaciers melting. The intolerable world is one our grandchildren may know. How can we avoid this? Well, one way would be not to have any grandchildren.
Last month the Guardian published a mournful article about young men who have chosen to face the challenge of climate change by taking themselves down to the vasectomy clinic. Its principal interviewee, a 30-year-old council administrator from Essex, explained how he had come to the decision. “I thought: you know what? I don’t want to bring a life into this world, because it’s pretty shitty as it is and it’s only going to get worse.” The report made no grand claims about numbers, but he is not the first to identify the idea as a strengthening current.
In 2019, the journalist Wes Siler wrote about his decision to have the same operation for the same reason. “Is this a world we want to bring kids into?” he asked. In December 2021, Australian national radio carried an interview with a 24-year-old who had also chosen sterilisation as a way to reduce his impact on the environment. “I find it very frightening thinking about the way that the world is right now and what scientists are predicting the world will look like in 20 and 30 years,” said Aaron. “I didn’t think that was a great place to bring up a child.”
And last year, Dr Esgar Gaurin of Iowa, enthused by a service in Mexico City, put North America’s first mobile vasectomy van on the road. He chose Earth Day as his launch date, which he spent carrying out operations while parked outside the Holiday Inn Des Moines-Airport.
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