People who worry a lot about global warming sometimes talk about tipping points – a moment when catastrophic climate change becomes irreversible. But I am beginning to wonder whether the climate-change debate is not in danger of reaching a tipping point in the other direction – the moment when it becomes impossible for the global warming lobby to win the political argument for serious action.
Arguably, the fiasco of the Copenhagen summit has already demonstrated that it will be all but impossible to achieve a proper global agreement. But at Copenhagen, all the major governments were at least committed to the idea that “something needs to be done”. I wonder how long that consensus will last.