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Oklahoma Town Battles Powdery Carbon Pollution

After 726 formal complaints, a union lockout, protests and lawsuits and settlements totaling about $20 million, residents in Ponca City no longer have daily struggles with carbon black.

Nebraska May Play Key Role In Canada Pipeline Battle

TransCanada's proposed Keystone XL oil pipeline would cut through the Ogallala aquifer, a major water source that supplies about 80 percent of Nebraska's water for drinking and irrigation. Legislators have introduced bills preventing pipelines in environmentally sensitive areas.

Secret 'Watch List' Reveals Failure To Curb Toxic Air

The system Congress set up 21 years ago to clean up poisonous air pollution still leaves many communities exposed to risky concentrations of benzene, formaldehyde, mercury and many other hazardous chemicals.
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Past Tropical Storms, Heavy Rains Killing Bay Oysters

Dead oysters are washing up on beds above the Chesapeake Bay, and watermen are blaming heavy rains and Tropical storms Lee and Irene.

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Chesapeake's Dead Zone May Be Improving

Scientists say heavy rains and high temperatures caused one of the worst dead zones in the Chesapeake Bay on record last summer, but things may be improving.

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Cub Scouts Plant Trees In Montgomery County

There are sections of Montgomery County with low tree cover, and a group Cub Scouts is working to fix that.


MAP: TransCanada's Keystone Pipeline

The company is planning to extend its existing pipeline to the Gulf Coast. It also would add a secondary pipeline from Alberta, Canada to Nebraska that takes a more direct route than the one completed in 2010.

In Scott's Race To The Pole, Science Beat Speed

A hundred years ago, two teams were racing to the South Pole. The Norwegian team led by Roald Amundsen made it first, beating British explorer Robert Scott. But only Scott did pioneering science--and photography--along the way. Ira Flatow and guests discuss the achievements of the first Antarctic expeditions.
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New Fund Helps Nonprofits Go Solar

Going solar can help nonprofits cut the money they spend on energy, if they can cover the upfront costs, that is. A new fund in D.C. is helping them do just that.

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Feeling The Effects Of Legacy Pollution

Despite efforts to clean up lakes, rivers and wetlands during the past 40 years, many of the region's waterways, as well as the people and creatures living and playing in them, are still haunted by a legacy of pollution that was deposited decades, sometimes even centuries, ago.