Lamont-Doherty Earth Observatory70
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Clay Layers and Distant Pumping Trigger Arsenic Contamination in Bangladesh Groundwater
Widely considered a screen against contamination, clay layers may actually enhance arsenic leakage into some aquifers, study finds.
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Shrinking Snowcaps Fuel Harmful Algal Blooms in Arabian Sea
Driven by changing climate, a uniquely resilient organism is taking over the Arabian Sea, disrupting food chains, fisheries, oil refineries and water desalination plants.
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How Catastrophic Floods May Have Carved Greenland’s ‘Grand Canyon’
In a new study, researchers propose a mechanism for how mega-canyons under northern Greenland’s ice sheet formed: from a series of catastrophic outburst floods that suddenly and repeatedly drained lakes of meltwater.
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EI LIVE K12: RSVP for Our Upcoming May Sessions
Learn how to design your own microbe, decode Python script, and much more in these live sessions taught by Earth Institute experts.
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Project Takes A New Approach to Gauging New York City’s Emissions
Estimates say the city releases about 50 million tons of carbon a year, but no one has actually measured it. A new project is trying to change that.
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Metal in Urine Provides Potential Noninvasive Test for Pancreatic Cancer
New research shows that a signature of metal ions in urine may be an accurate indicator of one of the deadliest forms of cancer.
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A Study Looks at How to Disinfect Your Mask at Home
It also compares the effectiveness of medical-grade masks with homemade ones, and tests the feasibility of improving masks with homemade nose clips.
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Waterfront Development Added Billions to Property Values Exposed to Hurricane Florence
Rapid development in flood-prone zones during recent decades helped boost the amount of property exposed to the 2018 hurricane substantially, a new study says.
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Beautiful Planet: Earth Institute Photos From Around the Globe
This year marks the 50th anniversary of Earth Day. To celebrate, we’re sharing images of places and projects around the world that highlight our planet’s incredible beauty.

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!
