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Posted inEnviro

Climate-Driven Megadrought Is Emerging in Western U.S., Says Study

April 20, 2020 – With the western United States and northern Mexico suffering an ever-lengthening string of dry years starting in 2000, scientists have been warning for some time that climate change may be pushing the region toward an extreme long-term drought worse than any in recorded history. A new study says the time has arrived: a […]

Posted inSci/Tech

Hurricane Maria study warns: Future climate-driven storms may raze many tropical forests

March 26, 2019 – A new study shows that damage inflicted on trees in Puerto Rico by Hurricane Maria was unprecedented in modern times, and suggests that more frequent big storms whipped up by a warming climate could permanently alter forests not only here, but across much of the Atlantic tropics. Biodiversity could suffer as result, and more carbon could be added […]

Posted inSci/Tech

The 100th meridian, where the Great Plains begin, may be shifting

April 11, 2018 –  In 1878, the American geologist and explorer John Wesley Powell drew an invisible line in the dirt—a very long line. It was the 100th meridian west, the longitude he identified as the boundary between the humid eastern United States and the arid Western plains. Running south to north, the meridian cuts northward through the eastern states of Mexico, and on […]

Posted inEnviro

Swapping where crops are grown could feed an extra 825 million people

Nov. 6, 2017 – Redrawing the global map of crop distribution on existing farmland could help meet growing demand for food and biofuels in coming decades, while significantly reducing water stress in agricultural areas, according to a new study. Published today in Nature Geoscience, the study is the first to attempt to address both food production […]

Posted inSci/Tech

Climate may quickly drive forest-eating beetles north, says study

Aug. 28, 2017 – Over the next few decades, global warming-related rises in winter temperatures could significantly extend the range of the southern pine beetle–one of the world’s most aggressive tree-killing insects–through much of the northern United States and southern Canada, says a new study. The beetle’s range is sharply limited by annual extreme temperature […]