The overview from 2100 on how we solved the pandemic & climate crises, drove the global long boom, & reinvented a much better world by 2050 — Editor’s Note: To mark the arrival of the year 2100, Medium is embarking on a series of deep-dive interviews with writers, thinkers, scientists, and technologists who will look back on the remarkable events of the last century. First up: Stuart Rand, a journalist working mostly for Medium for three decades…