Gina McCarthy, administrator of the Environmental Protection Agency, says a new clean water rule is intended “to protect critical streams and wetlands that are currently vulnerable to pollution and destruction.”

Obama set to strengthen federal role in clean water regulation

Environmentalists have praised the new rule, but it has attracted fierce opposition from several business interests.

about 3 hours ago

 Graduate Robert McConnel asks U.S. President Barack Obama to strike a “James Bond” pose Wednesday during the 134th commencement exercises of the United States Coast Guard Academy in New London, Conn.

Obama recasts climate change as a more ‘immediate risk’

In a commencement address to the Coast Guard Academy, President Obama tied his urging for action on climate change to national security.

2 days ago

 John Gentzel, the owner of J & P Apiary and Gentzel's Bees, Honey and Pollination Company, works with his honeybees Tuesday in Homestead, Fla.

To fight bee decline, Obama proposes more land to feed bees

The Obama administration hopes to save the bees by feeding them better.

3 days ago

 Twenty-five states have legislation prohibiting electronic waste from going into landfills.

Too many TVs, too little capacity to recycle them

Televisions can no longer be put out with household trash, but recycling is made hard by the low number of places that will accept them.

4 days ago

Decade-long study wins Heinz Award after findings include link between air pollution, obesity

Dr. Frederica Perera says obesity can be added to the problems caused by pre- and post-natal exposure to air pollution.

5 days ago

Conservation District starts work on stormwater runoff in Penn Township

Managing storm water runoff is a longstanding challenge for municipalities big and small.

1 week ago

Obama administration grants Shell 'conditional' approval for Arctic drilling

The U.S. Interior Department has given conditional approval to Shell Gulf of Mexico’s plan to explore for oil and gas in U.S. Arctic waters.

1 week ago

Award sparks discussion of Dormont storm water strategy

The borough has won a Governor’s Award for Local Government Excellence but now must take action to reduce sediment washing into watershed.

2 weeks ago

Calgon Carbon reports first-quarter gains

The Moon environmental products and services company reported net income of $11.1 million.

2 weeks ago

 Sunburst, a green sea turtle, circles a tank as aquarist Josianne Romasco of the Pittsburgh Zoo & PPG Aquarium looks on. Sunburst is scheduled to be released back onto a state park beach in Florida or Georgia in June after undergoing rehab at the zoo.

Pittsburgh Zoo & PPG Aquarium turtle to be released into wild

The endangered 10-year-old green turtle was undergoing rehab at the zoo after sustaining an injury from a boat in 2010.

2 weeks ago

 A plume of steam billows from the coal-fired Merrimack Station in Bow, N.H.

Study connects emission cuts to reduction of early deaths

Peer-reviewed study finds health co-benefits would result from implementing the controversial federal Clean Power Plant Rule

2 weeks ago

 The Pirates’ Jackie Hunter displays the team’s environmentally friendly cotton rally towel distributed to guests of Pirates Charities. It’s made of 100 percent organic cotton, and environmentally conscious dyes are used to print the Jolly Roger logo.

Pirates handing out 'eco-rally' towels to special guests

The Pirates’ rally towel is a 100-percent organic cotton product that helps promote the club’s commitment to the environment at PNC Park.

2 weeks ago

 Graffiti can be seen on the walls near the river walk under the Fort Duquesne bridge ramp. The area is targeted for some upgrading this summer with plans for a public art installation.

Riverlife pushes for improvements on Downtown side of Allegheny River trail

Riverlife has started a walking loop from Market Square to the Allegheny River trail to highlight the need for visual improvements there.

2 weeks ago

Public, private partnership sees energy use drop

Reductions begin to show as Pittsburgh works toward goal of reducing energy and water use 50 percent by 2030.

3 weeks ago

Agencies open review of environmental crime

U.S. Attorney David Hickton will determine if his office should refocus its efforts and increase operations to enforce environmental laws..

3 weeks ago

 U.S. Sen. Bob Casey, shown here in March, said lessons should be learned from the Ebola scare last fall.

Sen. Casey: More funding needed to fight Lyme disease across Pa.

Pennsylvania has had the most cases of Lyme disease nationwide for the last five years.

3 weeks ago

 Allegheny County also received an “F” grade on daily soot emissions despite reducing the number of unhealthy fine particulate days from 19.2 to 10.

Experts say Pittsburgh's air is improving, but rank among metro areas is not

The air is getting cleaner but earns poor grades because of still unhealthy levels of soot and smog.

3 weeks ago

75 percent of extreme weather due to climate change, study finds

Heat waves and heavy storms are occurring four times more often than they did before carbon pollution started driving up thermometers.

3 weeks ago

 A new mechanical system is going to be installed at Lake Elizabeth in Allegheny Commons Park on the North Side, saving the Pittsburgh Water and Sewer Authority $129,000 per year in maintenance costs.

Lake at North Side's Allegheny Commons Park will use less water

Over the past two years, PWSA metered 238 million gallons of water used in Lake Elizabeth.

3 weeks ago

World briefs: Kerry meets with Iranian counterpart

Plus: Gaza conflict report; Pope to address climate; Afghanistan fighting

3 weeks ago

Plant flares emit more pollutants than previously thought, the EPA reports

Pollution emissions from flares at refineries and chemical plants are higher than previously thought, according to a new federal formula.

3 weeks ago

World Malaria Day

United Methodists, led by Bishop Thomas Bickerton of Western Pennsylvania, continue to raise millions to combat malaria worldwide.

4 weeks ago

Findlay gets federal waste water grant for upgrades

The grant also aims to help the township’s industrial parks attract and retain businesses and investments in the community.

4 weeks ago

DEP awards grants for environmental, education programs

About 110 schools, universities, conservation districts and nonprofit organizations received the grants.

4 weeks ago

Wolf finds more opposition to plan to replace drilling fee

The governor wants to replace the 3-year-old fee with an annual payment of $225 million.

4 weeks ago


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