Lamont-Doherty Earth Observatory61
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Scientists Warn of Wide Impacts on Midwaters Around Deep-Sea Mining Sites
Interest in deep-sea mining for metals has grown substantially in the last decade. A new study argues that it poses significant risks not only to the immediate surroundings, but also to the water hundreds to thousands of feet above the seafloor.
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Anillos de Crecimiento de los Árboles Revelan Aumento sin Precedentes en Extremos Climáticos en Sudamérica
Un nuevo Atlas Sudamericano de Sequía revela que las sequías severas expandidas y los períodos inusualmente húmedos sin precedentes han ido aumentando desde mediados del siglo XX.
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Tree Rings Show Unprecedented Rise in Extreme Weather in South America
A new South American Drought Atlas reveals that unprecedented widespread, intense droughts and unusually wet periods have been on the rise since the mid-20th century.
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Using Sound to Study Underwater Volcanoes
To find out how volcanoes in the Pacific Ocean influence earthquakes and tsunamis, a team of scientists listens for ‘echoes’ from under the sea.
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Future Hurricanes: Fast Like Ike or Slow Like Harvey?
Climate change will intensify winds that steer hurricanes north over Texas in the late 21st century, increasing the odds for fast-moving storms like 2008’s Ike, compared with slow-movers like 2017’s Harvey, says new research.
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Reopening Mostly Erases Effects of Pandemic Reductions in CO2 Emissions
Although emissions temporarily dipped due to coronavirus, the numbers are bouncing back quickly as economies reopen.
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It’s Time to Rethink the Practice of Whale Watching
A scientist reflects on the potential harms of chasing whales with boats to try to get that perfect snapshot.
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Geologists Identify Deep-Earth Structures That May Signal Hidden Metal Lodes
Previously unrecognized structural lines deep in the earth appear to signal the locations of giant deposits of copper, lead, zinc and other vital metals near the surface.
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The Amazon Continues to Burn
The environmental tragedy does not stop even in the face of the pandemic. From January to April, over 1200 square kilometers of forest were wiped out.

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
