Earth sweltered in greenhouse heat for 226 million years, from the late Permian to the early Oligocene. Then the switch flipped and an icehouse world arrived.
Tag: Earth Science
The more methane hypothesis
The EPA mission to protect the environment will be fulfilled by releasing more methane—what?
A billion years of missing oxygen
Oxygen was disappearing from the atmosphere for a billion years, Why?
A hidden mass extinction event
The first ecosystems in geological history, wiped out by oxygen
Exploring for oil, a risky business
Exploring for oil is like engaging in the ultimate solve-a-mystery game.
Shale oil companies – Victims of their own success
Supply and demand made the shale oil industry the architect of its own demise.
Yellowstone National Park, part of a living earth
Yellowstone, where geology’s interaction with the atmosphere, hydrosphere, and biosphere is on display.
Kimberlite pipes, diamonds, and zircons
Kimberlite pipes eject commercially valuable diamonds and geologically valuable zircons.
A dose of realism in environmental research
Global warming of 3 degrees Celsius is a most likely case.