Some of the pollutants that harm our health also harm our climate. It is therefore surprising that our actions to tackle air pollution and the climate crisis are not more joined up.
This December scientists, journalists and policymakers will gather in Madrid for the United Nations climate change conference. Much of the media coverage will focus on carbon dioxide emissions. Reserves of fossil fuels beneath our feet are no longer being viewed as valuable national resources but as dangerous substances that must be left safely in the ground if we are to prevent uncontrollable global warming.