Tree Rings
Finding California's Climate Past and Future Inside of Its Trees
In order to better understand just how extreme the state's weather has gotten, scientists looked to the ring patterns of 500-year-old oaks.
Our Hottest Summers Since Before the Romans
A new study puts recent European summer heatwaves in ancient context.
Lord of the Tree Rings
Benjamin Cook looks at ancient trees to forecast future droughts. His latest findings are not good news for the West.