paleoclimate Archives - State of the Planet

selfie on top of drill derrick

How a Drilling Ship Pulls Cores From 2.5 Miles Below the Sea

Recovering ancient seafloor sediments requires complicated machinery and a skilled crew.

by |July 19, 2019

Uncovering the Future of Greenland’s Ice Sheet

Joerg Schaefer and Gisela Winckler, scientists at Lamont-Doherty Earth Observatory, received funding from the Center for Climate and Life to examine the vulnerability of Greenland’s massive ice sheet.

by |January 22, 2019

Getting Warmer: Understanding Threats to Ocean Health

Two Lamont-Doherty Earth Observatory scientists affiliated with the Center for Climate and Life are leading research that examines some of the ways climate change affects the health of the ocean.

by |August 15, 2018
nyc water sea level rise

A World Warmer By Just 2°C Will Be Very Different From Today

Past warm periods indicate that even the Paris Agreement’s limits on global warming could have catastrophic consequences over the long-term.

by |June 25, 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
scientists approaching lake carrying sediment coring tubes on Easter Island

Digging Into Easter Island’s Climate History

Sediments deposited over thousands of years provide a window to the past—and may perhaps shed light on what happened to the island’s now-lost civilization.

by |May 2, 2018

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