Lamont-Doherty Earth Observatory85
-

Carbon Lurking in Deep Ocean Threw Ancient Climate Switch, Say Researchers
A million years ago, a longtime pattern of alternating glaciations and warm periods dramatically changed, when ice ages suddenly became longer and more intense. Scientists have long suspected that this was connected to the slowdown of a key Atlantic Ocean current system that today once again is slowing. A new study of sediments from the…
-

Snow Tornadoes, Wind Storms, and More
A team of scientists working in Antarctica faces a host of new challenges.
-

Large Volcanic Eruptions Can Alter Hurricane Strength and Frequency
A new study is the first to untangle the effects of volcanic eruptions and El Niño events on hurricane patterns.
-

High School Students in Peru Discover Lead Contamination Hotspots
Equipped with a field testing kit originally developed within Columbia’s Earth Institute, the “Lead-Free Kids Peru” project has tested hundreds of soil samples for the toxic metal — and dug up some startling results in the process.
-

Why Endangered Species Matter
The Endangered Species Act is under attack. If we don’t protect endangered species, their extinction will impact our food, water, environment and health.
-

Deep-Sea Drillers Investigate Shedding of Antarctic Icebergs
Scientists are sailing to remote areas of the Southern Ocean to drill cores from the bottom that they hope will contain clues to past rapid changes in the Antarctic ice, and how it may react to warming climate today.
-

Exploring Mercury in a New Book
Scientists from NASA’s MESSENGER mission share some of its top discoveries — and lingering mysteries — in a new compendium.
-

Changes in Ocean ‘Conveyor Belt’ Foretold Abrupt Climate Changes by Four Centuries
Led by Lamont-Doherty researchers, a new study is the first to measure the time lags between changing ocean currents and major climate shifts.
-

Summer 2019 Earth Institute Internship Opportunities
A variety of undergraduate, graduate and PhD positions are available in various departments and research centers. Apply by April 14, 2019.

The first Earth Day in 1970 ignited a movement to stop polluting our planet. Today, our scientists and experts are tackling the most pressing challenges to achieve real-world impact. This Earth Day, join us in our commitment to realizing a just and sustainable future for our planet. Visit our Earth Day website for ideas, resources, and inspiration.
