Ecology28
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Pratigya Polissar Sees Landscapes Changing Through a Microscope
The word fossils typically conjures images of T-Rexes and trilobites. Pratigya Polissar thinks micro: A paleoclimatologist, he digs into old sediments and studies molecular fossils—the microscopic remains of plants and animals that can tell us a lot about what was living in a particular time period.
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Can State Environmental Agencies Fill in for a Failing EPA?
There are places where EPA will fail the American people. But while state and local governments cannot perform all the functions that a national environmental agency can, visible local environmental and health impacts will lead mayors and governors to act.
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Student Writing Project Exposes NYC’s Illegal Ivory Trade
For a term project, Wendy Hapgood, MSSM ’16, investigated the possible illegal sale of ivory at shops in Manhattan. She found evidence for the largest ivory bust in New York state history.
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Grasslands More Sensitive to Dryness than Rainfall, Study Says
A new study shows that dryness of the atmosphere affects U.S. grassland productivity more than rainfall does. The findings could have important implications for predicting how plants will respond to warming climate conditions.
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How Climate Change Affects New York’s Plants and Animals
Climate change is already affecting New York, and these changes will have profound effects on its ecosystems, plants and animals. What are the implications of these projected changes?
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Study Finds Oil Palm Certification Plays Limited Role in Curbing Fires
Oil palm is in everything from food to cosmetics to fuel and is consumed and used by most people without giving it a second thought. Yet oil palm cultivation is a large contributor to environmental and social problems, especially in places like Indonesia, where the business of oil palm cultivation has become the second largest…
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Photo Essay: Where the Trees Meet the Tundra
Due to warming climate and increasing human exploitation, far northern forests and the tundra beyond are undergoing rapid changes. In northern Alaska, scientists from Columbia University’s Lamont-Doherty Earth Observatory and other institutions are studying the responses of trees at the very edge of their range.
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Illegal Ivory Almost all from Recent Killing, Study Finds
Global Analysis Shows Tusks Go From Slaughter to Sale in Months
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Rising Temperatures Load the Dice for Megadrought Risk
As the American Southwest grows hotter, the risk of severe, long-lasting megadroughts rises, passing 90 percent this century if greenhouse gas emissions continue at their current pace, a new study from scientists at Lamont-Doherty Earth Observatory says. Aggressively reducing emissions can cut that risk.
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!
