Add Yahoo as a preferred source to see more of our stories on Google. In 1952, London was blanketed under a dark cloud of human-made air pollution known as the Great Smog. The smog killed about 12,000 ...

London's Walbrook Street yielded an astonishing discovery in 1952: a remarkably preserved 1800-year-old Roman temple ...

A team of atmospheric scientists researching pollution in China say they've cracked a 60-year-old mystery — with research that explains not only the haze over Beijing, but also the remarkably toxic ...

London's poor air quality was an issue for centuries, but between Dec. 5 and 9, 1952, a perfect storm of weather patterns helped create a tragic event that killed thousands, later sparking the Clean ...

London may be known for its drizzly weather, but in 1952 the city's quintessential fog cover turned deadly, and no one knew why — until now. For five days in December 1952, a fog that contained ...

It had been somewhat of a mystery why a fog in London in 1952 left more than 4,000 people dead. Scientists now say they know why. It had been somewhat of a mystery why a fog in London in 1952 left ...