tree rings2
-

Tree Rings Show Unprecedented Rise in Extreme Weather in South America
A new South American Drought Atlas reveals that unprecedented widespread, intense droughts and unusually wet periods have been on the rise since the mid-20th century.
-

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.
-

In Ancient Scottish Tree Rings, a Cautionary Tale on Climate, Politics and Survival
Using old tree rings and archival documents, historians and climate scientists have detailed an extreme cold period in Scotland in the 1690s that caused immense suffering. It may have lessons for Brexit-era politics.
-

Within Sight of New York City, an Old-Growth Forest Faces Storms and Sea Level Rise
On a peninsula within sight of New York City, researchers are studying trees dating as far back as the early 1800s. Rising seas and more powerful storms, both fueled by climate change, could eventually spell their end.
-

Photo Essay: An Old-Growth Forest Near New York City Faces Storms and Sea-Level Rise
Centuries-old trees on a peninsula near New York City could provide an important record of past storms. Researchers recently traveled there to sample the trees before they are wiped out by rising seas and powerful storms.
-

New Tree Ring Analysis Method May Open Insights to Past Climate
Measurements of stable isotopes in tree rings may expand the climate information that scientists can get from old trees.

The first Earth Day in 1970 ignited a movement to stop polluting our planet. Today, our scientists and experts are tackling the most pressing challenges to achieve real-world impact. This Earth Day, join us in our commitment to realizing a just and sustainable future for our planet. Visit our Earth Day website for ideas, resources, and inspiration.



