Using Puerto Rico's Luquillo Mountains as a case study, scientists use the region's geological history to study how knickpoints—areas where there's a sharp change in the river's slope—move over time.
Recent beetle epidemics have driven tree die-offs across North America, and previous studies predicted an increase in annual streamflow would follow—but a new study shows this may not be the case.
Warming climate reduces permafrost's ability to recover following wildfires in Alaskan lowland forest.
Vines called lianas, which store less carbon than trees, are winning the competition for sunlight and water.
Research focused in South Sudan shows that armed conflict can have a subtle effect on regional ecology.