Carbon countdown clock: how much of the world's carbon budget have we spent?

The clock marks how long it will take, if the rate of greenhouse gas emissions stays the same, before 2 degrees celsius of warming is likely. The 2015 Paris climate accord seeks to keep warming well below 2 degrees above pre-industrial levels, to prevent the worst effects of climate change.

Here's how The Guardian built the clock. Here's more on Pennsylvania's response to climate change.


Chester County Commissioners urge PUC to act as Mariner East pipeline construction causes more sinkholes

At the request of the Department of Environmental Protection, Sunoco stopped construction on a section of the line near Valley Creek and the Chester County library.

By Susan Phillips

Southwestern Pa. network takes on ‘unnecessary’ environmental risks for cancer

The network of physicians, researchers, activists and cancer survivors says research shows rates for six types of cancer that have strong links to toxic chemicals are elevated in seven Southwestern Pennsylvania counties compared with national rates.

By Julie Grant/The Allegheny Front

EPA takes up environmental justice complaint against Philly’s permit for SEPTA power plant in Nicetown

Opponents feared more air pollution and criticized reliance on fossil fuels amid the need to cut greenhouse gas emissions that contribute to climate change. The city says it did what it was supposed to do.

By Susan Phillips

PUC seeks comment on $1 million fine for Beaver County pipeline blast

As part of the fine, the company would agree to several added safety precautions, including more inspections and additional monitoring for landslides along its route. 

By Reid Frazier



StateImpact Pennsylvania is a collaboration among WITF, WHYY, WPSU and the Allegheny Front.

WITF WHYY WPSUThe Allegheny Front


Most charges dropped against two state constables involved in alleged Mariner East pipeline ‘buy-a-badge’ scheme

A jury found the constables guilty of failing to disclose wages earned from Energy Transfer Partners’ Sunoco Logistics unit. Bribery and other charges were dropped.

By Kenny Cooper/WHYY

PFAS report identifies hundreds of Pa. manufacturing sites

The so-called ‘forever chemicals’ are linked to a range of health problems.

By Brett Sholtis

Biden administration officials eye more money for land restoration projects in Pennsylvania

Federal investment in the cleanup of abandoned mines and wells will boost local economies, they say.

By Madison Goldberg

Pa. native’s book looks at ‘global odyssey of migratory birds,’ challenges from climate change

It’s a difficult time to be a migratory bird, author Scott Weidensaul says — but, he adds, birds can be quite resilient.

By Anne Danahy

Updated: July 14, 2021 | 12:54 pm

Study: Biden climate policy would have $1T in health benefits, save thousands of lives

The study focused on potential health outcomes and did not consider employment or economic impacts of the policy.

By Reid Frazier

Updated: July 12, 2021 | 7:26 pm

As Pa.’s crucial RGGI vote nears, here’s a quick look at the carbon emissions program

Pennsylvania could become the first fossil-fuel rich state to join the Regional Greenhouse Gas Initiative, a cap-and-trade program designed to cut emissions.

By Rachel McDevitt


StateImpact Pennsylvania is a collaboration among WITF, WHYY, WPSU and the Allegheny Front.

WITF WHYY WPSUThe Allegheny Front