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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.


Researchers find spreading drilling wastewater on Pa. roads can lead to harmful runoff

Contaminants such as salts, metals, and radioactive elements found in the runoff were at levels higher than what’s considered healthy for people and the environment.

By Rachel McDevitt

What questions would you ask Pennsylvania’s candidates for governor?

Republican state Sen. Doug Mastriano and state Attorney General Josh Shapiro are running to be Pennsylvania’s next governor, what questions to you have for them?

By Staff

A new Pa. law aims to address old gas well cleanup. It could make the problem worse, critics say

Gov. Wolf said the law eliminates the state’s authority to impose stricter requirements than what’s needed under Pa. law, even if more stringent requirements are mandatory parts of the federal program.

By Rachel McDevitt



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

WITF WHYYThe Allegheny Front


What to know about Pa. DEP’s newest plan to reduce pollution to the Chesapeake Bay

The agency isn’t certain where all the money will come from to pay for what it has planned. The effects of climate change have driven the price higher.

By Adriana Delagarza

Updated: July 22, 2022 | 5:09 pm

Penn study: Changing fuel for cement kilns could cut CO2 emissions. But cost is an obstacle

Researchers at the University of Pennsylvania say heavy industry could adopt strategies to cut emissions and capture carbon.

By Adriana Delagarza

Updated: July 26, 2022 | 4:25 pm

Environmentalists hail latest Pennsylvania budget, even as a key climate program is on hold

Pennsylvania’s new state budget gives more money to environmental agencies and a chunk to put toward a maintenance backlog at state parks.

By Rachel McDevitt

The EPA asks a Bitcoin ‘mining’ operation in Clearfield County for information

The price of Bitcoin has plunged, after peaking in November 2021.

By Anne Danahy

Gov. Wolf vetoes bid to block all-electric building codes in Pennsylvania

The Democratic governor said the legislation takes away “local decision-making” from municipalities that are looking to address climate change.

By The Associated Press


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

WITF WHYYThe Allegheny Front