paleoclimate Archives - State of the Planet

How Can Changing Climate Affect a Civilization?

Billy D’Andrea is trying to understand Easter Island’s climate history over the last few thousand years and how communities dealt with past climate change.

by |December 14, 2017

Understanding Earth’s Geologic History to Predict the Future

Organic geochemist Pratigya Polissar is developing new tools to look at the history of plants and ecosystems on Earth over the past 20 million years.

by |December 7, 2017

What the Vikings Can Teach Us About Adapting to Climate Change

The rise of the Vikings was not a sudden event, but part of a long continuum of human development in the harsh conditions of northern Scandinavia. How did the Vikings make a living over the long term, and what might have influenced their brief florescence? Today, their experiences may provide a kind of object lesson on how changing climate can affect civilizations.

by |September 26, 2017

Meltwater Lakes Existed Under Antarctic Ice in Ancient Times

In recent years, scientists have discovered hundreds of lakes lying hidden deep beneath the Antarctic ice sheet. Now a team of researchers has found the remains of at least one sub-ice lake that existed when the ice was far more extensive, in sediments on the Antarctic continental shelf.

by |June 1, 2017

In a Warmer World, Expect the Wet to Get Wetter, and the Dry, Drier

As the world warms due to human-induced climate change, many scientists have been projecting that global rainfall patterns will shift. In the latest such study, two leading researchers map out how seasonal shifts may affect water resources across the planet.

by |May 31, 2017

Coring Arctic Lakes to Study Vikings

Billy D’Andrea, a Lamont-Doherty Earth Observatory paleoclimatologist and Center for Climate and Life Fellow, is investigating the relationship between environmental change and characteristics of early settlements in Norway’s Lofoten Islands.

by |May 22, 2017

Work on Dead Sea Geology Earns Yael Kiro an Award

Yael Kiro, an associate research scientist at Lamont-Doherty Earth Observatory, has received the 2017 Professor Rafi Freund Award from the Israel Geological Society for work published on the ancient climate history of the Dead Sea.

by |March 23, 2017

Green Sahara’s Ancient Rainfall Regime Revealed

Rainfall patterns in the Sahara during the six-thousand-year “Green Sahara” period have been revealed by analyzing marine sediments, according to new research.

by |January 18, 2017
Maureen Raymo

Maureen Raymo Elected to National Academy of Sciences

Maureen Raymo, a marine geologist at Lamont-Doherty Earth Observatory whose name is connected with key theories about how ice ages wax and wane and how sea levels change, has been elected to the National Academy of Sciences, one of the highest honors awarded to scientists in the United States.

by |May 3, 2016

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