CLIMATE sceptics are right. Temperature increases do precede rises in atmospheric carbon dioxide – the opposite of what you would expect if changes in CO2 levels were really driving climate change. That’s the verdict of leading atmospheric modeller Peter Cox, a climate expert at the University of Exeter, UK. Yet far from dismissing the threat of global warming, Cox says this means things are worse than we thought. Events in the Little Ice Age, 400 years ago, prove the point, he says.
One of the most important pieces of evidence linking climate change to greenhouse gas emissions is that for…
