The ability to track mercury emissions through tree rings has significant implications for conservation and policy-making. This technique can help authorities identify illegal mining hotspots and ...

Tree ring widths, which reflect the dry or wet conditions affecting tree growth annually, provide valuable proxy climate data from before historical recordkeeping began. Rui Guo and colleagues ...

By ALYSSA VAN DOORN The Outside Story The longer, warmer days of spring spark phenological changes in trees, from root to tip ...