We must cut carbon emissions by 80% from their 2006 levels by 2020, stabilize the world's population at eight billion by 2040, completely remove poverty, and restore forests and soils.
出自-2016年6月閱讀原文
To stabilize its population—discounting immigration—women must have an average of two children.
出自-2013年12月閱讀原文
Private markets for goods, services, labor, and securities do mostly self-correct, but panic feeds on itself and disarms these stabilizing tendencies.