Worth Sharing

WS

Trends

Showing 81 - 86 of 86 Posts
Recent Posts

The World's Most Polluted Cities Can Recover, Just Like London Did

Renowned for its infamous smog and severe pollution for centuries, London today has the cleanest air that it has had since the Middle Ages. Some of the most polluted places are the megacities of the developing world -- Shanghai, New Delhi, and Mexico City -- but in the 1930s and 1940s, London was more polluted than any of these cities are today.