It's Back to the Future — By About 300 Million Years!

onSep 8, 2007 @ 08:24 PDT

The emerging story of a global climate shift a third of a billion years ago seems to be a prequel to what climate scientists expect from the current trend in global warming.

Using the same sort of Global Circulation Models as those which predict climate change today, University of Michigan researcher Christopher Poulsen and his colleagues have reproduced what might have happened on the supercontinent Pangea in the late Paleozoic era, about 300 million years ago, when the polar ice melted.

By Ross Gelbspan

us/Ohio Denies Evidence of Fracking Waste in Drinking Water. Its Own Records Show Otherwise.

ByJustin Nobel

on Oct 30, 2026 @ 09:02 PDT

As more than a billion gallons of oil and gas wastewater flood beneath Ohio, pollution concerns reach its heated governor’s race.

President Trump Unveils EPA’s New Contradictory Methane Proposal at Campaign Rally

ByRachel Santarsiero

on Oct 30, 2026 @ 06:00 PDT

The agency is loosening methane rules while keeping its authority to regulate them. Critics say the stance leaves federal climate law in limbo, inviting a bigger rollback later.