Earth Sciences65
-
A Surprise from the Zambezi River
Sidney Hemming and her team aboard the JOIDES Resolution got a surprise when they began taking sediment cores from their first river site off southern Africa—about 10 times more sediment than expected.
-
Mozambique Core Brings Up 7 Million Years of Climate History
With calm seas, the JOIDES Resolution’s latest sediment core comes up with what appears to be a fantastic, cyclic climate signal that is continuous back 7 million years, writes Sidney Hemming.
-
Attributing Extreme Weather to Causes—Including Climate Change
New research and more powerful computer models are advancing scientists’ ability to tease apart the forces that can worsen extreme weather. In a new report, a committee of the National Academy of Sciences that includes Columbia’s Adam Sobel assesses the young field of attribution studies.
-
Pump Meltwater Back on Antarctica? Do You Have 850,000 Wind Turbines?
A new study that looked at the feasibility of lowering sea levels by pumping water onto icy Antarctica offers a warning about the costs today’s greenhouse gas emissions may be creating for future generations.
-
We’re Headed for Mozambique!
After weeks of anticipation, permission arrived just in time to core off Mozambique. Sidney Hemming and her team of scientists aboard the JOIDES Resolution are excited about what they might learn from the ocean sediment.
-
Slowly Moving to Protect the Environment
In some cases we do not understand the impact of human actions on the planet and we need to do more observation and analysis to understand those impacts. In other cases we don’t really know how to repair the damage once it has been done.
-
MESSENGER Data Reveal Evidence of Ancient Carbon-Rich Crust on Mercury
Mercury’s dark surface is revealing intriguing new clues about the formation of the solar system, including evidence announced today that the planet closest to the Sun may have formed in part from carbon, a key component of life.
-
Bleach Patrol: Turning Surfers into Scientists to Help Coral Reefs
With coral bleaching spreading, a new project and app called Bleach Patrol is putting surfers, divers and snorkelers to work as citizen scientists, keeping an eye on the world’s coral reefs.
-
Peering into Chile’s Quizapu Volcano
In their quest to unravel the physical and chemical processes controlling volcanic eruptions, Einat Lev and colleagues headed to South America and the volcanoes of Chile.
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!
