Environment


Waynesburg officials investigate dumping of fracking wastewater

Officials believe someone illegally dumped 4,000 gallons of fracking wastewater in a sewer manhole.

5 days ago


 Benjamin Bushwick and Annamarie Pihs relax at the Allegheny Unitarian Universalist Church on the North Side after walking Tuesday in the Great March for Clilmate Action.

Climate change marchers pass through Pittsburgh

The climate march began on March 1 in Los Angeles en route to Washington, D.C. by Nov. 1.

5 days ago


Marchers headed to Pittsburgh to warn of climate change

The cross-country Climate March arrives in Pittsburgh for a rally to promote initiatives to stop climate change.

1 week ago


 Matt Graham, a landscape architect who has designed a precision mapping system for water runoff, checks his program Wednesday at the intersection of Chislett and Vetter streets.

The map man has a plan for stormwater solutions

A landscape architect’s mapping and data software system has become a go-to resource for storm water mitigation.

1 week ago


Study: Daily floods could hit East Coast cities by 2045

Cities heed warning of climate scientists as leaders invest in combating future flood waters.

1 week ago


 A train carrying oil derailed in February 2014 near Vandergrift.

Pa. Office of Open Records orders agency to release oil train records

PEMA and the railroads have 30 days to provide the documents or appeal the ruling to Commonwealth Court.

2 weeks ago


Great Lakes algae battle focuses on farm runoff

Regional commission seeks 40 percent cut in Lake Erie’s phosphorus flows to stem toxic algae outbreaks that threaten drinking water.

2 weeks ago


California becomes 1st state to ban plastic bags

California enacts 1st U.S. statewide ban on single-use plastic bags at supermarkets, groceries, convenience stores and pharmacies.

2 weeks ago


 FILE - In this Feb. 22, 2010 file photo, a student uses an Apple MacBook laptop in his class in Palo Alto, Calif. New warnings are emerging of a security flaw known as the "Bash" bug, which cyber experts say may pose a serious threat to computers and other devices using Unix-based operating systems such as Linux and Mac OS X. (AP Photo/Paul Sakuma, File)

Q&A: Experts warn of Bash Bug, what are the risks?

Bash Bug, also known as Shellshock, may pose serious threat to computers and devices such as home Internet routers.

3 weeks ago


EPA unveils its plan to restore Great Lakes

The federal government issued a new blueprint Wednesday for its efforts to restore the Great Lakes.

3 weeks ago


Claimants won’t have to return BP oil spill payouts, judge rules

BP must honor compensation deals it made with companies claiming losses in the 2010 Gulf oil spill.

3 weeks ago


 Shane Gaghen holds a glass of algae-filled Lake Erie water, near the Toledo water intake crib, in August, when the city’s water supply was deemed dangerous to drink.

Fertilizer called next threat to water

Helping cities combat the threat of algae-feeding phosphorus in the Great Lakes has jumped ahead as a national environmental priority.

3 weeks ago


 President Barack Obama addresses the U.N. Climate Summit on Tuesday.

Obama urges leaders to act on climate ‘while we still can’

Mr. Obama took credit for putting the United States on course to reduce its carbon emissions by 2020.

3 weeks ago


Companies take action to reduce climate footprint

Investors and companies are disinvesting in fossil fuels, perhaps the most tangible action on global warming.

3 weeks ago


Throngs demand climate change action

New York City’s People’s Climate March drew more than 310,000 people this weekend, organizers said, tripling the original forecast.

4 weeks ago


Global rise reported in 2013 greenhouse gas emissions

The 2.3 percent jump was the latest indication that the world remains far off track in its efforts to control global warming.

4 weeks ago


 A fire and spill in March 2010 at an Atlas Resources well site in Washington County sent a large plume of smoke into the air.

Pa. system for tracking compliance at Marcellus Shale well sites in disrepair

The Post-Gazette analyzed every paper record for every Marcellus well incident that resulted in fines through June 1, 2014.

4 weeks ago


Sludge spill under investigation in Little Mingo Creek

Authorities said the spill into Little Mingo Creek appeared to be contained Saturday, two days after it was discovered.

4 weeks ago



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