Through the 1970s, it seemed like Ehrlich was right: famines, pollution, and political unrest had many concerned that humanity was on the brink of such a crisis, and some governments considered and even implemented policies to limit population growth.
Durante la década del 70, todo indicaba que Ehrlich tenía razón: hambrunas, contaminación y disturbios políticos parecían haber puesto a la humanidad al borde de esa crisis, y algunos gobiernos contemplaron, e incluso implementaron, políticas destinadas a limitar el crecimiento demográfico.