Climate Archives - State of the Planet

Short-Term Ocean Temperature Shifts Are Affecting West Antarctic Ice, Says Study

Scientists have known for some time that ice shelves off West Antarctica are melting as deep, warm ocean waters eat at their undersides, but a new study shows that temperatures, and resultant melting, can vary far more than previously thought, within a time scale of a few years.

by |August 13, 2018
Steven Goldstein

AGU Recognizes Lamont Scientists With Section Awards

The American Geophysical Union honors the outstanding work of three scientists from Columbia’s Lamont-Doherty Earth Observatory.

by |July 31, 2018

An Icy Irony in Greenland

We awoke to messages that a towering iceberg is threatening the local waterfront settlement of Innaarsuit. There is perhaps a bit of irony in the fact that a massive looming block of ice is a potential threat to the start of our field season.

by |July 13, 2018

Exploring Greenland With Wings, Boats and Drones

Snow on Ice is launching into the field with two teams of scientists this summer. The first group, an ‘advance team’ of six women, will focus on lakes where meltwater has collected on the southwestern flank of Greenland bedrock.

by |July 12, 2018

Study Signals Change in How Scientists Calculate Ancient Diets

Scientists have long determined what extinct animals ate by analyzing carbon isotopes locked inside their fossil teeth. But a new study shows that in many cases, they may be plugging the wrong numbers into their equations. The findings may change some views of how mammals, including us, evolved.

by |June 27, 2018
james hansen

James Hansen’s Climate Warning, 30 Years Later

Three decades after Hansen first warned Congress about global warming, the overwhelming scientific consensus is that he was right—and most would say that far too little has been done to address the threat.

by |June 26, 2018
Windmill farm near Udumalpet in Tamil Nadu, India.

NatureNet Science Fellowship Now Accepting Applications for 2019

Apply for NatureNet Science Fellowships at Columbia University by September 7, 2018.

by |June 19, 2018

How Will People Move as Climate Changes?

A new model estimates how many climate migrants there will be, where they are likely to go, and what effects they might have on the places to which they move.

by |June 13, 2018

Days on Earth Are Getting Longer. You Can Thank the Moon, Not the Seasons.

For anyone who has ever wished there were more hours in the day, geoscientists have some good news: Days on Earth are getting longer. Very slowly.

by |June 4, 2018

Climate-Related Flooding May Quickly Disrupt Global Trade Chains

Intensifying river floods caused by global warming may hamper national economies worldwide, and effects might propagate through global trade and supply networks, a new study says.

by |May 28, 2018