Stories from The Allegheny Front archived under

Pollution

A Closer Look at Toxic Algal Blooms in Lake Erie

Big, ugly algal blooms have become a regular occurrence in the western, and sometimes the central basin, of Lake Erie. The blooms happen when excess nutrients—mostly phosphorus—run off into the lake from farms and sewage treatment plants. And scientists predict climate change could make the problem worse.

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Pitt Scientists Dredge Up 8,000-Year-Old Pollution

When a team of University of Pittsburgh researchers launched a boat off the Keweenaw Peninsula in northern Michigan, they were hoping to find evidence of an ancient society.  They met their goal, but also found evidence of the oldest human-caused lead pollution in the world.

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Local Power Plant May Undergo Clean Changes

The Homer City power plant in Indiana County might lose its reputation for being one of the dirtiest coal-fired power plants in America w

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Researchers Say Chesapeake Bay Dead Zone Surprisingly Large

Bad news for Chesapeake Bay crab and oyster lovers.

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EPA Sues Indiana County Power Plant

The federal government has filed a lawsuit against the past and present owners of a power plant in Homer City, Indiana County.

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EPA's new rule aims to prevent more greenhouse gas pollution

In an effort to curb pollution that's linked to global warming, the U.S.

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The No-Till Trade-off

Researchers have been looking at why the water in western Lake Erie has been so gross with algae this year.

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Children's Puppet Show Brings Rachel Carson to Life

Plankton, fish, and birds are taking center stage at the Carnegie libraries this summer.

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Bacteria Engineered to Destroy Pollutants

Scientists have engineered bacteria to seek out and destroy a chemical that pollutes drinking water. Rebecca Williams has more.

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Cooperation Key to Sewer Upgrades

Many concede that Pittsburgh's rivers are cleaner now than they have been in fifty years.

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