Tree Ring Lab Archives - State of the Planet

A smiling young man in front of a wall of photos

Alumni Spotlight: When the Student Becomes the Teacher

A recent graduate of the Master of Science in Sustainability Science program, Reuben Goh hopes to convey his enthusiasm for the environment to future students.

by Olivia Colton |December 1, 2023

What Tropical Trees Can Teach Us About the Environment

PhD student Rose Oelkers discusses her work in the Amazon and what we can learn from the trees if we listen closely.

by |October 25, 2022
nicole davi headshot

Learning From Tree Rings: An Interview With Nicole Davi

A dendrochronologist explains how tree rings can teach us about our past, present, and future.

by Nataley Williams |March 8, 2022
forest on mountain side overlooking valley

New Way of Analyzing Tree Rings Confirms Unprecedented Central Asia Warming

Researchers have reconstructed temperatures in Mongolia all the way back to 1269 C.E., showing that recent temperatures are the warmest the region has seen in eight centuries.

by |August 17, 2021

Rooftop Camera Will Track How Local Forests Change With the Climate

Installed on top of Lamont’s oceanography building, PhenoCam will help track how trees grow and change with the weather, seasons, and climate change.

by |November 3, 2020
rosanne d'arrigo

Rosanne D’Arrigo: Decoding The History of Climate Cycles, One Tree Ring At A Time

A simple fascination with winter and weather patterns led D’Arrigo to become a globe-trotting scientist who collects and analyzes important data from tree rings.

by |June 11, 2020

Using Tree Ring Records to Decode Earth’s Climate History

An interview with Ed Cook, one of the founding directors of the Tree-Ring Laboratory at Lamont-Doherty Earth Observatory.

by |September 27, 2018

Laia Andreu-Hayles Explores Tropical Forests in a Warming World

Research by tree-ring scientist Laia Andreu-Hayles will provide much-needed observational climate data for Bolivia and Peru and insight into the climate sensitivity of tropical tree species in the Andes.

by |May 2, 2018

Park Williams Discovers History and Science in a Tree Ring

Park Williams studies trees and climate, in particular the causes of drought and the effects of climate change on forests. In this latest in a series of Earth Institute videos, we spoke to him about what he does, what’s important about it, and how his interest in history and environmental science blended into a career.

by |March 24, 2017

Syria’s Drought Likely Its Most Severe in More than 900 Years

“If climate change is having an impact and is making droughts worse, then we should see this in the record over several centuries—and we do,” said the study’s author, Benjamin Cook.

by |March 1, 2016