Tim Smedley Books

When we speak of air pollution, we often imagine visible smog hanging above cities; but the true danger is far smaller, more insidious. In the earliest stages of my investigation, I sat with atmospheric scientists who described just how finely grained the enemy is. The tiniest particles – PM2.5 and ...

From Clearing The Air: The Beginning And End Of Air Pollution

To imagine clean air in the future, we must first understand our past transgression. Industrialization—you might say—was built on the notion that pollution was the price of progress. Victorian London, which inspired early Clean Air Acts, often looked like dusk at midday, its coal smoke so dense that...

From Clearing The Air: The Beginning And End Of Air Pollution

The story of air pollution begins not in modern cities but centuries ago, with the rise of coal. When Londoners first burned coal in the Middle Ages, they could not foresee that this new fuel would define the industrial era—and poison generations to come. Over time, the black smoke became accepted a...

From Clearing The Air: The Beginning And The End Of Air Pollution

In Delhi, children grow up under skies tinted grey; in Beijing, masks have become routine; in London, hospitals treat asthma epidemics invisible in official statistics. These are not abstractions—they are the daily realities of millions. When I visited these cities, the sensory assault was overwhelm...

From Clearing The Air: The Beginning And The End Of Air Pollution