In this photo from 2010, an oil-drenched bird struggles to climb onto a boom out of the waters of Barataria Bay, La., which are filled with oil from the BP Deepwater Horizon oil spill.

Gulf health 5 years after BP spill: Resilient yet scarred

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 8 hours ago

 Jeff Kozar of the Pennsylvania Bureau of Forestry, helps volunteers plant a tree seedlings in April 2012 at the Flight 93 National Memorial in Stonycreek, Somerset County. Three years later, hundreds of volunteers are planting more seedlings today and Saturday at the site.

Hundreds planting 22,000 seedlings at Flight 93 memorial to reforest strip mine

About 22,000 seedlings will be planted today and Saturday at the site in Stonycreek Township.

about 22 hours ago

Proposed EPA rule to slow climate change challenged

Federal judicial panel appeared skeptical of the initial challenge to the Obama administration’s effort to forestall climate change.

1 day ago

Permit limiting hazardous emissions at McConway & Torley Foundry could reduce production, employees

The last steelmaking plant in Pittsburgh may be forced to significantly reduce production and lay off some of its more than 400 employees.

2 days ago

Montour Woods tree planting to fight knotweed

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.

1 week ago

 Throughout North America, more than 5.7 million bats have died due to white-nose syndrome since 2006.

Mysterious fungal disease threatens major Pennsylvania bat species

White-nose syndrome has decimated the northern long-eared bat, which was listed as “threatened” by a federal agency last week.

1 week ago

 Dorothy, the 16-year-old peregrine falcon at the University of Pittsburgh, laid her first egg this year at 6:42 a.m. on April 2.

Peregrine falcon Dorothy continues to surprise, lays second egg

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.

1 week ago

 California Gov. Jerry Brown accompanies Frank Gehrke, chief of snow surveys for the state’s Department of Water Resources, as he conducts a manual snow survey Wednesday in Phillips, Calif. The recorded level is zero, the lowest in the state’s history.

California imposes water restrictions to deal with drought

Gov. Jerry Brown said the state’s four-year drought had reached near-crisis proportions after a winter that brought record-low snowfalls.

2 weeks ago

Obama’s climate change strategy, part of global deal in Paris, is revealed

President Barack Obama on Tuesday offered a plan to cut greenhouse gases in the nation by about one-third in the next 10 years.

2 weeks ago

 Now, the cost to buy and install a typical water heater is about $900.

New federal rules for water heaters will mean higher price tag

Water heaters bought after the standards go into effect April 16 will be slightly larger than current models.

2 weeks ago

 Reinforced utility poles line Pahoa Valley road in Pahoa, on the big island of Hawaii. Residents of Pahoa have learned to adapt as a slow-moving lava flow menaces their community.

As volcano erupts around them, Hawaiians pledge to ‘go with the flow’

Lava continues to affect the daily lives of Hawaii residents.

2 weeks ago

 Pittsburgh Mayor Bill Peduto, Allegheny County Executive Rich Fitzgerald and others have sent letters asking for an 18-month extension of a 2003 consent order that expires Monday.

Pittsburgh, Allegheny County scramble to prepare for sewage upgrade

Federal and state environmental agencies could approve requests for more time to include green projects in sewer repair plans

3 weeks ago

 A program is underway to return the once-dominant lake sturgeon to Lake Erie. While fishing for perch in 2009, Dick Brozell of McKean County caught and released one off Presque Isle.

Will sturgeon ever come back to Lake Erie?

Once the biggest predator in the Great Lakes, the lake sturgeon was driven to the brink of extinction.

3 weeks ago

 Snow highlights  a thin layer of ice on the Allegheny River , heading toward  the Pittsburgh skyline.

Drought watch issued for 27 Pennsylvania counties

Recent snow melt has failed to adequately recharge the groundwater under a large swath of Pennsylvania.

3 weeks ago

 Spectators brave the rain while watching the St. Patrick's Day Parade last weekend Downtown.

Just how dreary is Pittsburgh?

Seattle and Buffalo are the dreariest U.S. cities, but the ’Burgh is tied for second based on cloudiness and number of rainy days.

3 weeks ago

 Pennsylvania discharges more nitrogen into tributaries of the Chesapeake Bay than any other state.

EPA gives poor marks to Pa. on protecting Chesapeake Bay watershed

Report gives state’s Chesapeake Bay cleanup program failing grade; 30 percent of farms have manure management and runoff reduction plans.

3 weeks ago

 From left, the reactor containment building, cooling tower and spent fuel storage building. First Energy's modifications, which have been made as a response to the March 2011 disaster that unfolded at Tokyo Electric Power Co.’s Fukushima Daiichi nuclear power complex, which had meltdowns in three of its reactors.

At Beaver Valley, upgrades are underway in response to Fukushima disaster

Four years after the Japanese nuclear disaster, U.S. nuclear operators have stepped up plant modifications and altered their philosophy.

3 weeks ago

Challenge brings high school students together at Pitt to discuss water problems

Students from Chartiers Valley, Elizabeth Forward, Mt. Lebanon and McKeesport Area took part in the two-day session this month at Pitt.

4 weeks ago

Obama order focuses on cutting federal greenhouse gas emissions

An Obama executive order signed Thursday sets new goals for reducing greenhouse gas emissions by federal agencies.

4 weeks ago


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