The plan for a new trail will incorporate both bicycle trails and roads with specially designated lanes.
Overall support has been tempered by water contamination concerns and a reliability problem with state environmental regulators.
Landscapers suggest putting in potted plants and covering those flowers already in the ground.
It has reached a concentration not seen on the Earth for millions of years
Located near the T station at the edge of the Smithfield Street bridge, the site currently under construction is helped by state funding.
Talks are continuing, but no start date has been set to begin the cleanup at the site.
High levels of air pollution make the Pittsburgh region a risky area to live when it comes to asthma, cancer and cardiovascular disease.
Pittsburgh-area air is still unhealthy, even if it's cleaner than it was.
The state's beekeepers probably have lost more than half of their colonies over the winter, and that could affect crop production.
Salmon, scallop and other sea life populations have been brought back from the brink of collapse through enforced catch limits.
Beyond kitchen-table chats: Foundations are assembling donors with common interests and helping them make informed, strategic contributions.
The industrialized Mon Valley region is not in attainment of the fine particle emissions standards, but should be able to meet 2012 limits.
The Environmental Protection Agency has dramatically lowered its estimate of how much of a potent heat-trapping gas leaks during natural gas
The city is one of two metro areas outside of California to rank among the top 25 most polluted by ozone smog and by soot.
Consol will pay to replace Duke Lake Dame in Ryerson Station State Park but admits no blame.
Behavior by a nesting pair of bald eagles Hays indicates an eaglet may have hatched.
A physician, upset by a mess along Bates Street, began a $150,000 landscaping project with a donation.
Industry leaders formed a tax-exempt lobbying group and started funding their own research in an effort to convince people coal tar is safe.
Proceeds would go to the state Fish and Boat Commission, which is threatened with a $9 shortfall in four years and the DEP.
A "green" plan by the conservancy would minimize water runoff going to Panther Hollow Lake.
The invasive emerald ash borer is cutting a swath through Pennsylvania's ash trees.
Regulations for the Clean Air Act of 2010 haven't been finalized, making it unenforceable.
Federal laws and local retrofits help clean diesel emissions, but progress is slow.
Mike Krancer, director of the state Department of Environmental Protection, will resign April 15.
A Consol spokeswoman said the company is 'confident' the fire is out based on monitoring of gases in the mine.
The underground fire in Consol Energy's Blacksville No. 2 deep mine near Wayne, Greene County, has idled 650 coal miners.
The new eagles in town are avian rock stars. Nesting pairs have taken up residence in sight of high-traffic corridors in Harmar and Hays.
The federal government's inability to agree on a budget will cost the county Health Department's air pollution program about $100,000.
Take a good look at the hemlock tree that shades your favorite trout fishing spot. It may not stand there long.
The Greater Pittsburgh Community Food Bank and Global Links are by mission already in the green movement.
A new 11.4-mile section of U.S. 219 would have four lanes and be straighter than the existing road.
The Wall Street Journal reported late Friday that federal and state officials were preparing a $16 billion settlement offer.
Rural property owners and environmental advocates said the department is failing to enforce gas regulations and damaging their health.
Allegheny County Council approved a contract to drill for natural gas on Pittsburgh International Airport land but not without disagreement.
Russian officials now are saying about 1,100 people were injured after a 10-ton meteor blazed across the sky and exploded miles above Earth.