Pollution

Reuters

How the Mafia Is Ruining Naples's Food Scene

Pollution and illegal dumping have destroyed area farms, creating a kind of anti-locavore movement.

Shutterstock

A Possible Link Between Traffic Pollution and Autism

Researchers in California have found a compelling association.

Reuters

L.A.'s 'Carmageddon' Produced Dramatic, Instantaneous Air Quality Improvements

Researchers measuring pollution during last year's 405 closure find air quality improved by as much as 83 percent.

Vivek Prakash/Reuters

The Most Polluted Playgrounds in the World

Without play sets, slum children frolic in garbage dumps and toxic rivers.

Shutterstock

Reviving New York Harbor With Oysters: Why Hasn't This Happened Yet?

It's been more than two years since Columbia University professor Kate Orff made waves with her "Oyster-tecture" proposal. She's still pushing.

Reuters

China's Dirty Water

A third of industrial waste water is released, without treatment, into rivers and lakes.

Flickr/Arlington County

Put a Green Roof On It

A new tool visualizes green roofs on any building, and the water and energy they could save.

University of Pittsburgh

What Pittsburgh Looked Like When It Decided It Had a Pollution Problem

Photographs from the 1940s of the Steel City as it began to address its notoriously smoky air.

City of Oshamanbe

Maybe What Your City Needs Is a Ridiculous Fuzzy-Suited Mascot

In the municipal mascot department, it seems that North America can't compete with Asia.

Reuters

Urban Growth Contaminating Lake Titicaca

Pollution mounts as cities grow and sewage infrastructure lags

Wikimedia Commons

Silicon Valley's Urban Planning Dilemma

An environmental law that sometimes keeps the region from building housing that's close to jobs

Reuters

Learning to Navigate a City of Smog

How I'm figuring my way around Beijing

Reuters

City Smog Linked to Cognitive Deficits in Children

A growing body of evidence connects urban pollution with harmful brain alterations

Andrea Comas / Reuters

How Many Trees is Enough?

When it comes to reducing pollution, the key isn't the number of trees you plant but where you plant them

Paulo Whitaker / Reuters

Why Does California's Central Valley Have Such Bad Air Pollution?

The farming communities of the Central Valley breathe some of the worst air in the nation

Carlos Barria / Reuters

WHO: Iran, South Asia Ranked Worst in Urban Air Pollution

Air quality continues a downward slide worldwide, according to the World Health Organization

Reuters/Tony Melville

One Downside to Bicycle Commuting: Biker's Lung

London bike commuters found to breathe in more soot than pedestrians

An Eye on Megacities' Dirty Skies

New monitoring techniques are improving our understanding of pollution in the developing world