The Origins of Humanity

"This is like a history of humanity through the prism of our relationship with the environment," he says. "If you believe in evolution, which I suspect most of your listeners do and don't have a problem with, then everything's about adaptation." He adds that we are beneficiaries of a benign perfect set of conditions, a Goldilocks zone, that works. But for four and a half billion years, this wouldn't have been a great place for our species to live,. So that puts into some sharp relief how we're not just our own worst enemies.