Global Warming12
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Climate Change Under Trump: A Q&A with Michael Gerrard
For those who favor strong action on climate change, the election of Donald Trump is creating plenty of anxiety and concern. Will Trump set our efforts to curb climate change back? How can those who are concerned about climate change best fight back?
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The Domino Effect
Ice shelves can behave like dominos. When they are lined up and the first one collapses it can cause a rippling effect like dominos. We have seen this with the Larsen Ice Shelves. Named in series, the Larsen A, B and C shelves extended along the northeastern edge of the West Antarctic Peninsula, and covered…
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The Urgency Of Adapting To Climate Change
While ideologues continue to deny the reality of climate change, local governments do not have the luxury of indulging in the Tea Party and Koch Brothers’ favorite environmental fantasy. The impacts are real. We don’t need to shut down the economy, but we need to learn to run it without burning the place down or…
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By Mid-Century, More Antarctic Snowfall May Help Offset Sea-Level Rise
Increasing Precipitation Masked by Natural Variability—For Now
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Construction in the Swamp
Despite the miserable weather and ongoing rain, we constructed a wooden structure to hold the GPS receivers, solar panels and other electronic equipment between the three wells. We worked out how and where to mount the antennas and had parts made to accomplish it. Although I had to leave before it was completed, the team…
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Visit to a Different Delta: the Mississippi
This summer I am in the Mississippi Delta in southern Louisiana helping to install an updated version of the compaction meters that we have in Bangladesh. The environment is quite different and we have arrived in the midst of an historic storm. Luckily for us the brunt of the storm is NW of us. So…
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For Climate Change, Carbon Pricing is No Silver Bullet
Many economists and policy experts believe carbon pricing is the most effective way to deal with global warming. But others argue that carbon pricing is not a silver bullet for dealing with climate change. Here’s why.
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Tropical Cyclones on Track to Grow More Intense as Temperatures Rise
Aerosols have compensated for greenhouse gases, but won’t in future
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Ocean Circulation Implicated in Past Abrupt Climate Changes
Circulation Slowed with Every Cooling During Last Ice Age

AGU25, the premier Earth and space science conference, takes place December 15-19, 2025 in New Orleans, Louisiana. This year’s theme—Where Science Connects Us—puts in focus how science depends on connection, from the lab to the field to the ballot box. Once again, Lamont-Doherty Earth Observatory and Columbia Climate School scientists, experts, students, and educators are playing an active role, sharing our research and helping shape the future of our planet. #AGU25 Learn More
