The spread of liberal democracy and the integration of the world economy have created a situation in which the major powers are no longer willing to risk war with one another.
开放的社会、对知识的无限制获取、人们为促进知识而进行的无计划和不受抑制的联合——这些可能使一个庞大、复杂、不断增长、不断变化、日益专业化和技术化的世界仍然成为一个人类社区的世界。
Sustainability isn't just a buzzword; it's our responsibility to future generations.