During the Late Pleistocene, California—at least at its lower elevations—was teeming with vegetation. While much of North America was covered in Ice Age glaciers, here, mastodons lumbered across verdant meadows, stopping ...
Ecology
Mar 27, 2024
0
45
The Hadley circulation is a key atmospheric circulation pattern in the tropics. It helps even out the temperature between the equator and the poles by moving energy and momentum toward higher latitudes. However, recent studies ...
Earth Sciences
Jan 31, 2024
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42
The American Southwest has always been a dry place—cue romantic visions of hot, rugged, sun-bleached, seemingly infinite landscapes and star-filled night skies. And yet, the plants, animals and people of the Four Corners ...
Earth Sciences
Dec 11, 2023
0
141
As clean water access becomes more difficult in the American Southwest, more people are turning to harvesting rainwater as a solution, especially in Arizona. But with little data on contaminants in harvested rainwater, communities ...
Education
Oct 18, 2023
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17
The tools and policies that have worked to significantly reduce threats to the Great Lakes over the past century are ill-equipped to handle today's complex and interrelated challenges.
Environment
Aug 9, 2023
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1
The fingerprints of climate change are all over the intense heat waves gripping the globe this month, a new study finds. Researchers say the deadly hot spells in the American Southwest and Southern Europe could not have happened ...
Environment
Jul 25, 2023
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23
Ponderosa pine trees are one of the most ubiquitous conifer species in western North America, extending from southern British Columbia all the way down to northern Mexico. In the American Southwest, winter snowmelt and summer ...
Plants & Animals
Jun 8, 2023
0
37
Earlier this month, the Biden administration proposed a plan to distribute cuts from the Colorado River and resolve the century-long legal dispute between states across the American Southwest that share its water supplies.
Environment
Apr 28, 2023
0
35
The Navajo Nation in Arizona—the largest and most populous reservation in the U.S.—was one of the areas hardest hit during the COVID-19 pandemic. Limited access to running water and basic infrastructure, like wells and ...
Environment
Mar 27, 2023
0
2
The intensity of extreme drought and rainfall has "sharply" increased over the past 20 years, according to a study published Monday in the journal Nature Water. These aren't merely tough weather events, they are leading to ...
Environment
Mar 13, 2023
36
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