Earth Sciences18
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Dhaka and Beyond
After a week of meetings and a wedding in Dhaka, we headed back to the field to service equipment measuring land subsidence in Bangladesh.
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Back to Bangladesh at Last
I am finally back in Bangladesh after a pandemic hiatus. I need to repair precision GPSs that failed over the last few years. They are measuring tectonic movements for earthquake hazard and land subsidence, which exacerbates sea level rise.
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Humans Reached Remote North Atlantic Islands Centuries Earlier Than Thought
It was long accepted that the Vikings were the first people to settle the Faroe Islands, around 850 A.D. until traces of earlier occupation were announced in 2013. But not everyone was convinced. New probes of lake sediments clinch the case that others were there first.
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American Geophysical Union 2021: Key Events From the Columbia Climate School
A guide to some of the most provocative talks at the world’s largest gathering of earth and space scientists.
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Collect Our Scientist Cards
These baseball-style cards highlight a few of our amazing scientists, and can now be downloaded for free.
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Why Did Glacial Cycles Intensify a Million Years Ago?
A new study suggests that a million years ago, glaciers began sticking more persistently to their beds, triggering cycles of longer ice ages.
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Tackling a 40 Million-Year-Old Conundrum
A new study bolsters the idea that the uplifts of the Himalayas and Andes that began tens of millions years ago helped trigger the many ice ages that followed.
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Quantum Phase Transition Is Detected on a Global Scale in the Deep Earth
Scientists have observed and learned to use subatomic phenomena on the earth’s surface. Now, for the first time, they can see similar things deep within the planet.
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Scientists and Native People Jointly Study Sea-Ice Declines Threatening Seal Hunts
Seals have been a staple for the coastal village of Kotzebue for generations. Rapid changes in sea ice driven by ocean warmth are presenting a challenge for hunters.
By studying thousands of buildings and analyzing their electricity use, Columbia Climate School Dean Alexis Abramson has been able to uncover ways to significantly cut energy consumption and emissions. Watch the Video: “Engineering a Cooler Future Through Smarter Buildings“
