Today, humanity faces such a life-threatening problem: How are we to provide adequate nutrition and a decent quality of life to a global population that is set to surpass nine billion by 2050, without irreparably damaging our planetary life-support system? To find a solution, we must start by clarifying the problem.
如今，人类就面临着这样的生死攸关的问题：如何在不破坏地球生命支持系统的情况下为全世界人口提供足够的营养和体面的生活？到2050年，全球人口将突破90亿。为了寻找答案，我们必须从厘清问题开始。