At the beginning of March, Aria Babu quit her job at a think tank to dedicate herself to something most people have never heard of. Having worked in public policy for several years, the 26-year-old Londoner had come to an alarming realisation about the future of the UK, the world – and the human species.

“It became clear to me that people wanted more children than they were having,” Babu says. “Considering this is such a massive part of people’s lives, the fact that they were not able to fulfil this want was clearly indicative that something was wrong.”

The Telegraph London