Send us Fan Mail It wasn’t so long ago that human fertility was likened to a ticking time bomb, with overpopulation leading to famine and ecological collapse. More recently, we’ve heard that declining fertility rates are the real problem, bringing forth a shrinking workforce and economic ruin. Is negative population growth something to worry about? Joe and Mark examine demographic history and trends, what declining fertility means for women and children, why the Goldilocks “just r...