Environment


Climate deal would commit every nation to limiting emissions

But the deal still falls far short of what is needed to stave off the dangerous and costly early impact of global warming.

2 days ago


 Dale Luthringer, environmental education specialist at Cook Forest State Park, examines an ancient Susquehanna hemlock last year. Pesticides and adelgid-eating beetles are the two main weapons in the campaign to save the iconic tree from invasive insects.

Foresters scrambling to save state's hemlock trees from insect invaders

A new state conservation plan aims to stop the spread of adelgids, which are killing the Eastern hemlock, Pennsylvania’s state tree.

1 week ago


Peru climate change talks slowed by clashes of rich and poor nations

Convened by the United Nations, the talks aim to craft the framework for an international accord to curtail heat-trapping emissions.

1 week ago


 A screen capture of the website Breatheproject.org shows the overview of the city with a graph showing the pollution for that general area during specific times of day.

Camera system to give real-time view of Pittsburgh air pollution

CMU researchers develop new camera technology to track pollution and its sources as public education, enforcement, tool.

1 week ago


Greene County man charged with damaging natural gas well pad

Brian Harbarger, 35, of Crucible, was charged under seal Tuesday with damaging an energy facility.

1 week ago


Riverlife executive to leave Pittsburgh for Baltimore

Ms. Shroeder led Riverlife, a public-private partnership to advocate for riverfront development projects, since 2000.

2 weeks ago


 Ginger Sturgeon, director of animal health at Pittsburgh Zoo & PPG Aquarium, pries open the beak of an endangered Kemp's Ridley sea turtle for an oral exam Monday

Pittsburgh Zoo rehabbing sea turtles from Massachusetts

The New England Aquarium has been overwhelmed by turtles washed ashore in cold water, so it sent some here and elsewhere for treatment.

2 weeks ago


First municipal fracking ban in Texas takes effect

A hamlet shaken hundreds of earthquakes since then is among communities now taking steps to challenge the right to frack.

2 weeks ago


EPA proposes stricter limits on ozone, cites health savings

The U.S. Environmental Protection Agency is proposing stronger standards that would reduce smog-producing emissions.

2 weeks ago


Supreme Court to hear case on Clean Air Act

Justices to hear power plant pollution case and weigh consideration of economic costs relating to EPA regulations.

3 weeks ago


 John Muir circa 1860s

John Muir's legacy questioned

Some doubt the relevance today of an environmentalist who advocated protecting nature in its pristine state.

3 weeks ago


Pennsylvania DEP to fine Sunoco for releasing drilling clay into creek

Sunoco spokesman Jeff Shields says the company is working with the Pennsylvania Fish and Boat Commission to remedy the release of the clay.

4 weeks ago



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