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Drought may threaten much of globe within decades

The United States and many other heavily populated countries face a growing threat of severe and prolonged drought in coming decades, according to results of a new study by National Center for Atmospheric Research (NCAR) scientist Aiguo Dai. ...

Consortium: Higher ed curricula not keeping pace with societal, tech changes

The structure of the university in the 21st century is changing rapidly after its evolution into a multiversity in the 20th century. But as universities are being restructured to best serve the society of tomorrow, are their curricula reflecting the...

New Climate Model Predicts Greater 21st Century Warming

For the first time, scientists have incorporated multiple human and natural factors into a climate projection model. They predict that increased carbon dioxide in the atmosphere, due to changes in the carbon cycle, combined with a decrease in human-produced sulphates, may cause accelerated global warming during the 21st century, as compared with simulations without these feedback effects.

Century-Long Drought Linked to Collapse of Mayan Civilization

New analysis of sediment samples from the southern Caribbean indicate that severe droughts occurred at the same time as the known collapse of the Mayan civilization. In a study in the March 14 issue of the journal Science, researchers report that sediments from the Cariaco Basin in northern Venezuela clearly show a dry spell in the Caribbean region starting in the seventh century and lasting for more than 200 years.

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