The Stern Review and the Economics of Climate Action
How a 2006 British report framed climate change as the greatest market failure in history and reshaped the debate over the costs of action vs. inaction.
The Stern Bombshell
In October 2006, Nicholas Stern, a former World Bank chief economist, released a 700-page report commissioned by the UK Treasury that reframed the climate debate in economic terms. His central conclusion was devastating: if the world failed to act on climate change, the costs would be equivalent to losing 5-20% of global GDP per year, indefinitely. By contrast, the cost of action -- reducing emissions enough to stabilize the climate -- would be roughly 1% of GDP. Climate change, Stern declared, was 'the greatest market failure the world has ever seen.'
The report's impact was immediate. It gave policymakers a framework for arguing that climate action was not a cost but an investment with enormous returns. Tony Blair called it the most important report his government had received. The EU used it to justify ambitious emissions targets. Climate advocacy shifted from moral arguments to economic ones.