Climate change denialists like to question scientific research, perhaps assuming that the general public won't connect the dots between increased carbon dioxide levels and a warming planet. But on the science of air pollution, there is no argument that can explain away what people see before their own eyes and what they experience with their own health.
Air pollution is a global threat to human and planetary health and yet is a problem that can be stopped with strong legislation. Unfortunately in the current rush to deregulate industries could turn back the clock on the little progress we've made.
Sonali speaks with Dr. Gary Fuller, an air pollution scientist at King's College London. He is author of The Invisible Killer: The Rising Global Threat of Air Pollution - and How We Can Fight Back. He writes the PollutionWatch series for The Guardian.
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