Senators Paul and Grassley challenge climate group's spending on lobbying, parties

Two Republican senators challenge nonprofit climate-change advocacy group’s spending of federal grant money.

 The Clairton coke plant along the Monongahela River.

Despite $1.2B upgrade, Clairton Coke Works still lagging on air pollution, officials say

U.S. Steel Corp. to pay $300,000 penalty for exceeding emissions limit at new coke battery.



Alibaba stock soars in debut

The mammoth IPO that offered eager investors seemingly unlimited growth potential and a way to tap into the burgeoning Chinese middle class.

Wallenda to walk high in Windy City

Nik Wallenda is all about spectacle, a showman who crossed Niagara Falls and an Arizona gorge on a high wire.



Challenges lie ahead for U.K., Scotland

British Prime Minister David Cameron promised that commitments made to Scotland during the campaign “will be honored in full.”

Sierra Leone begins Ebola lockdown

Six million people are locked inside their homes for three days amid the most sweeping effort against disease since the Middle Ages.



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City-County Building exhibit celebrates immigrants

Luis Clemente speaks in front of a photo of his father, Roberto Clemente. By Robert Zullo Luis Clemente remembers the baseball

Education funding, lies and video tape

We're not sure whether there's enough time for the campaign of Gov. Tom Corbett to take control of the discussion of education

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