News tagged with food shortages

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Unforeseen dangers in a global food system

New York City Mayor Bill de Blasio's claim during a recent blizzard that food delivery bikes were not emergency vehicles caused a small disruption in the City's normally fast, abundant and inexpensive access ...

dateMay 01, 2015 in Environment
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Early warning signs of population collapse

Many factors—including climate change, overfishing or loss of food supply—can push a wild animal population to the brink of collapse. Ecologists have long sought ways to measure the risk of such a collapse, ...

dateApr 10, 2013 in Ecology
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Zimbabwe faces crayfish crisis in water ecosystem

(AP)—Scientists in Zimbabwe say a fresh water crayfish brought from Australia is breeding out of control in the northern Lake Kariba, devouring the food sources of other fish and putting the nation's entire ...

dateFeb 12, 2013 in Ecology
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