So previous research and the resulting regulations were based on what?
It's amazing that the article also says:
Speaking just before Professor Kelly at the conference was Ricardo-AEA consultant to Defra, Brian Stacey, who said that the greater uncertainties in modelled compared to measured air quality could “cause problems with public understanding” of pollution levels.
Of course the public might come to realize that much of the previous research was based on assumed exposure.
We can only save ourselves from those who would protect us.
Re: Exposure data ‘Achilles’ heel’ of air quality research
I made an interesting discovery about public health researchers last month. I've always suspected that at least some of them are activists, a bit like the situation with climate scientists and environmental scientists. However a blog post I noticed on the Royal Society's "In Verba" science policy blog included this candid observation from Richard Horton, editor of "The Lancet" medical journal:
"Should there be a separation between scientists and campaigners? Is such a separation possible? Richard Horton pointed out that for a public health researcher, not being an activist is the exception."
Given the above you can pretty much assume that Frank Kelly, Professor of Environmental Health at King's College, London, is very likely to be an anti-pollution activist. So when he talks about the personal health impacts of air pollution exposure requiring improved data, I wouldn't interpret this as possibly meaning that existing pollution regulations may need to be toned down in the light of more accurate data. His aim will be to make pollution regulations more stringent.