Social norms and intrinsic motivations lead to voluntary environmentally responsible behaviour even in the absence of environmental policy. The paper shows that the introduction of environmental policy may lead to a reduction of voluntary abatement and sometimes may increase emissions and...

Environment and economy-no conflict -- Market mistakes and how unpaid-for external effects are killing us -- Climate change: "the greatest external effect in human history" -- How to deal with external effects -- Solving the climate problem -- Everyone's property is no one's property -- Natural...