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.


Heavy rains flood a trench where the Atlantic Sunrise pipeline is being installed August 22, 2018 in Lebanon County.

New federal pipeline safety rules draw praise from industry, scorn from critics

Opponents of Mariner East say PHMSA standards are too little, too late
By Jon Hurdle

Activists urge Wolf, again, to shut down the Mariner pipelines

They’re pointing to sinkholes and contaminated wells they’ve seen throughout the building process, and say they’re worried about explosions.
By Katie Meyer

FILE PHOTO: Then-presidential candidate Donald Trump gestures while speaking at the Shale Insight Conference, Thursday, Sept. 22, 2016, in Pittsburgh. Trump will return to the conference this year.

Trash still pokes through at the superfund site in Eastwick in September 2019.

How Philadelphia built a neighborhood on toxic soil of former Clearview Landfill

It’s taken 18 years of neighborhood organizing, legal battles and EPA investigation to get the trash out. But by the end of the year, 55 acres of contaminated soil will be contained and covered.

By Catalina Jaramillo