Air Pollution

AP Photo/Alexander F. Yuan

Beijing Just Handed Out the City's Largest-Ever Fine for Air Pollution—to a U.S. Joint Venture

A mid-sized boiler maker, not the city's many coal-fired power plants, was fined 300,000 yuans—the biggest fine to date.

Universidad de Ingeniería y Tecnología - UTEC/Youtube

A Billboard That Purifies the Air Around It

Its creators claim it can do the work of 1,200 trees.

Flickr

The U.S. Faces Longer Summers of Worsening Ozone Pollution

Scientists have linked a warmer climate to a 70 percent increase in unhealthy summertime ozone levels.

Associated Press

California's Metros Take the Prize for 2014's Most-Polluted U.S. Cities

But they're not alone: roughly half the nation lives with unhealthy concentrations of ozone or particulate pollution.

Shutterstock

How E-ZPass Lanes Could Make Premature Births Less Common

The automated tolls cut down on air pollution, which in turn improves the health of pregnant women.

Flickr

Will Salt Lake City's Growing Smog Threaten Its Economic Growth?

With smog keeping children indoors during winter months, the area's reputation for healthy outdoor living could be on the line.

NASA

2 Charts That Put the Chinese Pollution Crisis in Perspective

No one now alive has experienced anything similar in North America or Europe, except in the middle of a forest fire or a volcanic eruption.

Shutterstock.com

People of Color Are Disproportionately Hurt by Air Pollution

New York and Philadelphia top the list of urban areas with great gaps in pollution exposure between whites and non-whites.

AP

Will London Finally Get Serious About Air Pollution?

Britain's parliament is launching an official enquiry into recent heavy smog. 

CCTV

The Microscopic Beauty of Air Pollution

Viewed under an electron microscope, smog can look like snowflakes.

Associated Press

Air Pollution Now Linked to 1 out of Every 8 Deaths in the World

It's the single largest environmental health risk today.

MoveByBike

A Bicycle-Powered Moving Company's Sales Pitch: We're Just Faster

And it seems to be working in Sweden's three largest cities.

Even China Is Ragging on France's Air Pollution

It must sting when the world's biggest smog-hole is calling your air polluted.

A Map of History's Biggest Greenhouse Gas Polluters

A select few countries have been responsible for the majority of the world's CO2 emissions since the '70s.

Reuters

Air Quality Woes May Finally Force Paris to Rethink Its Love of Diesel Fuel

The city banned half of all cars from the roads on Monday. Will it be enough?

Reuters

Western Europe's Mild March Has Led to an Air Quality Crisis in France

The entire Paris region's public transportation system will be free this weekend in an effort to stem the early spring smog.

Barry Huang/Reuters

Tracking Exactly How Much Air Pollution You're Exposed To

A fascinating new project maps the air quality fluctuations within a city.

Reuters

China: Where Marathon Mania and Epic Air Pollution Levels Collide

An unfortunate intersection of trends.

Reuters

How the Western World Enables China's Air Pollution

Americans and Europeans are partly to blame for the smog floating over the Pacific, say researchers.