As groundwater depletes, arid American West is moving east

Even under modest climate warming scenarios, the continental United States faces a significant loss of groundwater—about 119 million cubic meters, or roughly enough to fill Lake Powell four times or one quarter of Lake ...

Mayfly populations falling fast in North America

A team of researchers from the University of Oklahoma, Virginia Tech and the University of Notre Dame has found that populations of mayflies in parts of North America have fallen dramatically in recent years. In their paper ...

page 13 from 40