climate change102
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Cities Face Up to the Climate Challenge
Millions of people living in cities around the world already feel the impacts of climate change: Heat waves, flooded streets, landslides and storms. All of these affect important infrastructure such as transportation and water supplies, ports and commerce, public health and people’s daily lives. And it is cities that are at the forefront of the…
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American Geophysical Union 2015: Key Earth Institute Events
Scientists at Columbia University’s Earth Institute will present important findings at the American Geophysical Union fall 2015 meeting, Dec. 14-18–the world’s largest gathering of earth and space scientists.
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India Steps Up on Climate Change
As a nation still in its developing phase, with 1.25 billion citizens and counting, India can’t afford to forego even part of its industrial progress. But we also cannot go on developing without taking into account the emissions produced by industries that are major contributors to global warming.
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From Good Intentions to Deep Decarbonization
The most important issue is whether countries will achieve their 2030 targets in a way that helps them to get to zero emissions by 2070. If they merely pursue measures aimed at reducing emissions in the short term, they risk locking their economies into high levels of emissions after 2030. The critical issue, in short,…
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Six Tough Questions About Climate Change
People often ask certain tough questions about climate change— about the costs of cutting carbon emissions, the feasibility of transitioning to renewable energy, and whether it’s already too late to do anything about climate change. Laura Segafredo, manager of the Deep Decarbonization Pathways Project, answers these questions.
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Conversations with a Climatologist
Tony Barnston, a scientist at the International Research Institute for Climate and Society, took a few hours out of his day and answered questions on a Reddit “Ask Me Anything” session.
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Shrinking Glaciers: A Chronology of Climate Change
With new data, scientists can track back what glaciers did in the past, and how it is related to climate change. This provides a link to predict what could be happening in the next 100, 200, 500 years.
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Why are Past Surface Temperatures and CO2 Concentrations Important?
Kelsey Dyez, a geochemist at the Lamont-Doherty Earth Observatory, describes how the carbon dioxide content of the atmosphere influences climate.
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A Daily Dose, Plus Magnum Mondays
Leading up to the UN Conference on Climate Change this month in Paris, the Earth Institute is posting daily photos and videos from experts working in the field of climate science.
On Saturday, October 17, 2026 from 10am to 4pm, Lamont-Doherty Earth Observatory Open House—our biggest, best science fun and discovery event of the year—will take place on our beautiful campus in Palisades, NY. Mark your calendar and join us for this free, family-friendly celebration of science! RSVP Today!
