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Industry says photos don’t represent standard practices but rather show moments where regulators appropriately enforced existing rules.
There’s more than surface shimmering blue and emerald to the aftermath of the Deepwater Horizon spill. And it’s not as pretty a picture.
About 22,000 seedlings will be planted today and Saturday at the site in Stonycreek Township.
Federal judicial panel appeared skeptical of the initial challenge to the Obama administration’s effort to forestall climate change.
The last steelmaking plant in Pittsburgh may be forced to significantly reduce production and lay off some of its more than 400 employees.
The event is part of an effort to curtail an infestation of Japanese knotweed, an invasive non-native plant, in the area around Meeks Run.
White-nose syndrome has decimated the northern long-eared bat, which was listed as “threatened” by a federal agency last week.
The mother of 42, who resides on Pitt’s Cathedral of Learning, could bring more falcon chicks into the world this spring, but risk is high.
Gov. Jerry Brown said the state’s four-year drought had reached near-crisis proportions after a winter that brought record-low snowfalls.
President Barack Obama on Tuesday offered a plan to cut greenhouse gases in the nation by about one-third in the next 10 years.
Water heaters bought after the standards go into effect April 16 will be slightly larger than current models.
Lava continues to affect the daily lives of Hawaii residents.
Federal and state environmental agencies could approve requests for more time to include green projects in sewer repair plans
Once the biggest predator in the Great Lakes, the lake sturgeon was driven to the brink of extinction.
Recent snow melt has failed to adequately recharge the groundwater under a large swath of Pennsylvania.
Seattle and Buffalo are the dreariest U.S. cities, but the ’Burgh is tied for second based on cloudiness and number of rainy days.
Report gives state’s Chesapeake Bay cleanup program failing grade; 30 percent of farms have manure management and runoff reduction plans.
Four years after the Japanese nuclear disaster, U.S. nuclear operators have stepped up plant modifications and altered their philosophy.
Students from Chartiers Valley, Elizabeth Forward, Mt. Lebanon and McKeesport Area took part in the two-day session this month at Pitt.