Lamont-Doherty Earth Observatory
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A Polar Climate Ambassador Visits an Arctic Museum in Maine
Josie Brooks reflects on an exhibit at Maine’s Peary-MacMillan Arctic Museum, which explores Inuit food traditions, hunting, art and community.
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The Changing Shape of Extreme Rain in the U.S.
A recent study led by researchers at Lamont-Doherty Earth Observatory asks how and why the spatial footprint of extreme rainfall in the U.S. has changed since 1980.
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Accounting for Compounding Climate Events in Emergency Management
Climate researchers Marco Tedesco and David Sathuluri reflect on how a single week of heat, smoke and flooding exposed the vulnerability of NYC.
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Wiring the Spirit’s House
Lamont scientists Terry Plank and Einat Lev worked with partners in Chile to install a new suite of sensors on the summit of Villarrica, bringing real-time monitoring to one of Chile’s most active volcanoes.
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Long-Term Study Suggests Landfill Methane Emissions Are Far Higher Than Estimates
The study used continuous ground-based measurements to determine that landfill methane emissions are likely much higher than current assessments.
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July Research Roundup: Select Papers
This month, we covered the 2026 Environmental Performance Index; how gas bubbles shaped Kīlauea’s lava flow; and the Pacific’s contrasting effects on wildfires. Here are some additional studies worth noting.
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Algal Blooms: A ‘Dark’ Threat to Greenland’s Cooling Capabilities
Recent studies show that the deposition of nutrients on glaciers and ice sheets is causing rapid algal growth, reducing glacier albedo and warming the planet.
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Interactive: The Heezen–Tharp World Ocean Floor Map
Explore Marie Tharp’s groundbreaking 1977 World Ocean Floor map and discover how it transformed our understanding of the Earth.
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From Marie Tharp to Seabed 2030: Marine Geophysicist Vicki Ferrini on Mapping the Ocean Floor
In honor of Tharp’s birthday, Ferrini discusses the geologist’s pioneering work and how it paved the way for her own collaborative efforts to map the ocean floor.

You Asked invites you to share your most pressing questions about climate, science, and sustainability. Lamont-Doherty Earth Observatory and Columbia Climate School experts will respond with clear, evidence-based answers. Pose your questions and story ideas!
