"Overshoot is a product of both excessive numbers and rising affluence. Access to the things that create what we call quality of life, like indoor lighting and temperature controls, especially air conditioning; more diverse dietary choices, especially meat; and greater access to transportation, especially air travel — all signs of rising affluence, all delightful if you are a human, yet all demand more energy and material inputs that involve scouring and denuding more wildlands and animal habitat to feed, clothe, house, and energize burgeoning humanity."