Determining the degree to which shifting drought conditions around the world are attributable to natural hydroclimatic variability and how much they are caused by climate change is a complicated task.

In a recently published paper, PhD student Ellen Waddle and her coauthors provide some clarity on a decades-old problem When researching what drives the growth of small populations, ecologists ...

Trees are natural timekeepers, silently recording the passage of years in their rings, growth patterns, and changing foliage. Their annual rings, visible in cross-sections of trunks, tell stories of ...