英语听力精选进阶版 15596（在线收听）

Tim Harford: Tragedy of the Commons 30 Jul 2013

Tue, 30 Jul 13

Common Tragedy: Exploring the term 'The Tragedy of the Commons', a term coined by the American ecologist Garrett Hardin. Tim Harford compares Hardin's work to that of the American political economist Elinor Ostrom, to reflect on the impact of mankind on the world around us.