 Rees-Mogg considers that cheap energy is key to competing with emerging markets and has advocated the continued use of fossil fuel.In 2012, Rees-Mogg questioned climate science, saying that climate models are not accurate and predictions cannot be proved by controlled experiment, adding that the effect of carbon dioxide emissions "remains much debated".He also suggested that it is not possible to change people's behaviour to mitigate climate change and that it is better to just adapt to it.