How We Got Here: The Century That Learned to Live Sideways

It is worth pausing, on an ordinary Sunday, to measure the strangeness we have made ordinary. A child born this week enters a world of twelve billion at a mean temperature nearly three degrees above the old baseline — and treats every fact of it as simply the weather of being alive. Cities that sleep through the afternoon and wake at dusk. A fifth of a continent's power drawn from fusion that a grandmother once called science fiction. One human in twenty carrying a machine beneath the skin. Registered migrants past a hundred and sixteen million, moving along corridors that a generation ago were called countries. None of this arrived by decision; it accumulated, a sideways adaptation, each accommodation reasonable in its hour. The historian's caution is not despair but proportion: we did not choose this world so much as agree to it, one bearable compromise at a time. What we are still deciding is whether agreeing is the same as consenting — and whether the difference will matter.