Contamination

Grist delves into the responses and repercussions of a recent New York Times story about contaminated water in Pittsburgh caused by a method of extracting natural gas known as hydraulic fracturing or fracking.

With more than 11,000 acres of brownfield sites in New York City sitting underused due to contamination, officials there want to get things cleaned up and reused. Urban designer Kaja Kühl offers this field guide to small-scale bioremediation to help.

New York City has garnered new powers to institute cleanups on moderately contaminated sites, which could help revive hundreds of spots in the city that have sat empty or unused for years.

Urban runoff and contaminated water are creating major ecological damage, even in the United States. One design competition has the goal of rethinking how we handle this crucial resource.

American drinking water meets federal safety standards, but some say it's only because those standards are far too low and don't accurately reflect the potential for contamination.

New public space has opened in Sao Paulo, Brazil, in an unlikely place. The new park sits a few feet above the contaminated grounds of a deactivated municipal incinerator.

Contaminated water is bad news for cities, unless nobody knows about it. This post from Good looks at some of the most notorious water contamination cover ups in recent U.S. history.

This slideshow from Popular Science looks at some of the most heavily polluted cities in the world.