Ministers have set a new target on pollution from fine particulate matter with a diameter of 2.5 micrometers or less (PM2.5) to “support better quality of life and reduce pressure on the NHS.” PM2.5 ...

In the 2010s, Beijing was neck-deep in pollution just like Delhi is now. Then it hit reset and fought its way out ...

More than 90 cities in the world’s top 100 polluting list are in India. With every passing year, the AQI is rising, reaching ...

Hanoi woke up on Dec. 11 to its most severe pollution episode of the winter, as monitoring stations across the capital ...

The Great Smog of London began on December 5, 1952, claiming between 4,000 and 10,000 lives over the span of five days. The ...

Explore Pennsylvania’s most unusual tunnel and learn the remarkable story behind it that locals still talk about today.

When the Berlin Wall went up overnight, National Geographic correspondents were on hand to document a city that became a ...

In Africa, artificial intelligence and data is being used to identify pollutants and clean up the air. On the outskirts of ...

The president said he would weaken Biden-era mileage standards, which were designed to increase electric-vehicle sales, ...

A Ferrari 599 GTB Fiorano braves Bolivia’s notorious Death Road and the high-altitude passes of the Andes on a 1,000-mile journey through the heart of Inca country.

The Boone & Scenic Valley Railroad and James H. Andrew Railroad Museum in Boone, Iowa, delivers that magic in spades, offering an experience that’ll have you checking your calendar to plan a return ...

U.S. freight railroads are a major source of pollution, chuffing out more nitrogen oxide than all the nation’s coal-fired ...