Lamont-Doherty Earth Observatory Archives - State of the Planet

airplane from the NASA Atmospheric Tomography Mission

Africa: An Air Pollution Wildcard

Atmospheric scientists discover surprising levels and unexpected types of pollution that seem to be originating in Africa.

by |December 14, 2018

Study Finds Sewage Bacteria Lurking in Hudson River Sediments

A new study shows that fecal bacteria from sewage can persist in far greater quantities in near-shore sediments than in the water of the Hudson River.

by |December 13, 2018
megadrought is causing lake mead's water levels to fall

Current Megadrought in the West Could Be One of the Worst in History

A 19-year drought in the American West is one of the most severe in the past 1200 years—and climate change is partially to blame, according to new research.

by |December 13, 2018
arsenic testing

Arsenic Contamination is Common in Punjabi Wells, Study Finds

But there’s a pretty simple solution that could protect a lot of people.

by |December 12, 2018

Assessing the Impact of Declining Arctic Sea Ice on Extreme Weather

Yutian Wu received funding from the Center for Climate and Life to investigate whether the loss of Arctic sea ice promotes severe weather over North America.

by |December 10, 2018

American Geophysical Union 2018: Key Events From the Earth Institute

The American Geophysical Union fall meeting takes place Dec. 10-14 in Washington, D.C. Here is a guide to key talks and other events from Columbia’s Earth Institute.

by |December 3, 2018

Can Removing Carbon From the Atmosphere Save Us from Climate Catastrophe?

The Intergovernmental Panel on Climate Change says that limiting global warming to 1.5˚C will require removing CO2 from the atmosphere. How feasible is this?

by |November 27, 2018
Antarctic ice, from the video "What's Happening to the Ice Sheets?"

New Study Highlights Complexity of Warming and Melting in Antarctica

A concerted, multidisciplinary effort is needed to tackle this complexity, scientists argue in a paper released on Monday.

by |November 19, 2018

A New Primer on Climate Change

A Q&A with Jason Smerdon, coauthor of the newly revised Climate Change: The Science of Global Warming and Our Energy Future.

by |November 14, 2018

Wildfire Experts: A Journalist’s Guide

A guide to wildfire experts at the Earth Institute.

by |November 14, 2018