In recent years there has been increasing acceptance that economic and social pressures have contributed to climate change and that it poses significant risks to the environment. The availability of relevant statistical data is vital to the development of policy. This short review concludes that, as far as we can tell and in broad terms, government has access to sufficient statistical evidence on the topic. But, especially in the light of public uncertainty about the part human activities play in driving climate change, it is important that the statistical evidence and advice is presented in a form that is widely accessible and understandable.