The soils in large areas of the Southern Hemisphere, including major portions of Australia, Africa and South America, have been drying up in the past decade.
Category: Healthy Planet
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Countdown on the Columbia
More than 400 dams produce power and control floods in the nation’s fourth largest river basin. The U.S./Canada treaty that established responsibilities for water flow and power sharing is due for renewal.
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DIRT Camp
Scott Sell earned a paycheck on the way to his degree.
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Uncharted Waters
It may come like it did the last time, in the middle of a cold and blustery January night. Suddenly the ground will begin to shake, windows will shatter, bridges collapse, the electricity will go out and parents will frantically try to find a flashlight and dig sleepy kids out of bed, ignore everything else and run – because they know they only have minutes before the water arrives.
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Birding by Ear Online
Recording the subtle syllables, notes and motifs that distinguish one bird species from another requires some pretty sophisticated gear. But for OSU researchers, collecting audio data in an old-growth forest last summer was a walk in the park compared with analyzing it.
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The Persistence of Species
In the tropics of Costa Rica, this violet sabrewing hummingbird is helping researchers understand the effects of forest fragmentation on ecosystems.