Climate221
-
Photo Essay: Mongolia, Ancient and Modern
Some 800 years ago, ancestors of modern Mongolians conquered the world on horseback. Researchers are investigating whether a spell of unusually mild weather helped propel them by making them rich in livestock.
-
Climate and Conquest: How Did Genghis Khan Rise?
Eight hundred years ago, relatively small armies of mounted warriors suddenly exploded outward from the cold, arid high-elevation grasslands of Mongolia and reshaped world geography, culture and history in ways that still resound today. How did they do it?
-
The Sahel Is Getting Wetter, But Will It Last?
New research gives a unifying explanation of the Sahel’s past, present and future climate patterns.
-
‘Chasing Ice’: Watching History Unfold, and Disappear
Near the end of “Chasing Ice,” a hunk of glacier the size of lower Manhattan explodes, rolls and crashes into the sea. If that sounds like a spoiler, well, go see the movie and you’ll know you would have known it was coming anyway. And the beauty of the movie is that it will still…
-
A Healthy Collaboration
IRI just renewed an agreement with the World Health Organization to be a collaborative center. Research scientist and center director Madeleine Thomson talks about past successes and future research directions.
-
Earth’s Current Warmth Not Seen in the Last 1,400 Years or More, Says Study
Fueled by industrial greenhouse gas emissions, Earth’s climate warmed more between 1971 and 2000 than during any other three-decade interval in the last 1,400 years, according to new regional temperature reconstructions covering all seven continents. This period of manmade global warming, which continues today, reversed a natural cooling trend that lasted several hundred years, according…
-
Students Share Findings from Global Research
This April over fifty students shared the results of their respective research projects with the rest of the Columbia community as part of the 2013 Student Research Showcase. While all within the field of sustainable development, research topics ranged from climate change to community development and included work from across the world.
-
Green Films for Earth Day 2013
Mothers, carbon, trash, vanishing ice and “secret lives”: Watch a movie for Earth Day and learn.
-
Fossil Fuels Do Far More Harm Than Nuclear Power
Pushker Kharecha and James E. Hansen write about their recent paper on the long-term health effects of nuclear power versus fossil fuels, and argue that nuclear power needs to be part of the solution to climate change.
On Saturday, October 17, 2026 from 10am to 4pm, Lamont-Doherty Earth Observatory Open House—our biggest, best science fun and discovery event of the year—will take place on our beautiful campus in Palisades, NY. Mark your calendar and join us for this free, family-friendly celebration of science! RSVP Today!
