Evergreen Trees at risk in Southwest U.S.

Evergreen trees

A research paper published in Nature Climate Change predicts widespread death of needleleaf evergreen trees (NET) within the Southwest United States by the year 2100 under projected global warming scenarios. The research team that conducted the study, which includes University of Delaware’s Sara Rauscher, considered both field results and a range of validated regional predictions and global simulation models of […]

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Oxygen-starved oceans held back life’s recovery after the ‘Great Dying’

Stanford scientists have found that chronically low levels of oxygen throughout the oceans hampered the recovery of life after the Permian-Triassic extinction, the most catastrophic die-off in our planet’s history. Also known as the “Great Dying,” global ecosystems collapsed as some 90 percent of species perished in this extinction event 250 million years ago. The new findings, published this week […]

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Ancient Boiling Oceans

In its early days, Earth became hell. About 3.3 billion years ago, new research indicates, at least two massive asteroids 30 to 60 miles in diameter smashed into this planet, boiling the oceans and sending atmospheric temperatures soaring to an unimaginable 932 degrees Fahrenheit. Stanford University scientists have found evidence of this extreme era in a geological formation in South […]

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Watch out, corporations: Space detectives are watching you ruin the planet

Hey, corporations destroying the planet: If you’ve been getting away with illegally logging forests, dumping waste, or overfishing, you might want to reconsider your actions. A new generation of high-tech detectives has traded in their spyglasses for surveillance that’s, shall we say, a little more 21st century — and they think they can catch you red-handed.Fast Company reports that “A growing […]

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Antarctica’s Balmy Past

When the atmosphere had much higher levels of carbon dioxide, Antarctica was as warm as California. New research has revealed that 430 million to 50 million years ago, temperatures on the frozen continent averaged 57 degrees Fahrenheit, with part of the surrounding Pacific Ocean reaching up to 72 degrees. In this ancient era, known as the Eocene epoch, carbon dioxide […]

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The Arctic’s ozone hole

The ozone layer over the Arctic Circle developed a giant hole this winter, scientists say. Over the North Pole, 40 percent of the ozone layer has disappeared—a record seasonal loss. Ozone high in the atmosphere shields the Earth from harmful UV rays, and it fluctuates seasonally; usually about 25 percent of the Arctic’s ozone layer fades every winter. In the […]

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Lasting Impact of Deepwater Disaster

  It’s been five years since the Deepwater Horizon oil rig exploded in the Gulf of Mexico, killing 11 and releasing a torrent of petroleum into the sea. But despite a massive, multibillion-dollar cleanup effort, the effects of the largest marine oil spill in U.S. history may linger for decades. BP (British Petroleum), which operated the rig, has already paid […]

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