Peter Singer argues that on any plausible principle, industrialised nations should be doing much more to reduce their greenhouse gas emissions than the Kyoto Protocol requires.

Matthew MacLellan argues that Garrett Hardin’s primary object of critique in his influential “The Tragedy of the Commons” is not the commons or shared property at all—as is almost universally assumed by Hardin’s critics—but is rather Adam Smith’s theory of markets and its viability for protecting scarce resources.

Manifesto for Living in the Anthropocene argues that the current climate crisis calls for new ways of thinking and producing knowledge, suggesting that our collective inclination has been to go on in an experimental and exploratory mode, in which we refuse to foreclose on options or jump too quickly to “solutions.”