Ancient bristlecone pine trees found in certain parts of California and Nevada have been growing at an unprecedented rate in the last 50 years. According to a recent study, this growth has most likely been caused by warmer temperatures. Malcolm Hughes, one of the study's lead researchers and a professor of dendrochronology at the University of Arizona's Laboratory for Tree-Ring Research, offers his insight.
Higher Temperatures May Be Behind Pine Growth
News & Features National Public Radio · NPR ·