African continent from space with glowing city lights at night in South Africa

south africa african continent africa space glowing city lights night orbiting nasa mother earth satellite view electricity earth illuminated urbanization populous international space station human overpopulation urban transition carrying capacity electricity usage population density cities planet overpopulation world population existentialism globalization view from space planetary global globe atmosphere 3d render computer generated countries planet earth satellite outer space iss continent sustainability earths resources galaxy astronomy cosmic universe