Climate257
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Climate Change Threatens Fragile Ecosystem in the Andes
A new audio slideshow about the páramo ecosystem in the Andes, at risk of becoming drier because of changing climate conditions
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Climate and Health Workshop Photo Wrap Up
Check out some pictures from IRI’s recently concluded Summer Institute on Climate Information for Public Health.
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Climate News Roundup: Week of 5/30 and 6/6
IEA Sees Record CO2 Emissions in 2010, Reuters, May 30 2010 saw that highest level ever seen of world-wide CO2 emissions, driven in large part by economic growth in coal-heavy countries, including China and India. Increased consumption of oil and natural gas were the next largest contributors to emissions levels. The Fukushima disaster and ensuing…
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The Indiana Jones of Climate Modeling
By JD Capuano Benjamin Cook is a climate modeler at Lamont-Doherty Earth Observatory, part of the Earth Institute at Columbia University. Cook completed his Ph.D. in environmental science at the University of Virginia in 2007. He was among a select group of scientists awarded a Climate and Global Change Postdoctoral Fellowship by the National Oceanic…
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Making Room for Rivers: A Different Approach to Flood Control
Over time, the U.S. Army Corps of Engineers, the federal engineering and construction agency, has spent over $123 billion on flood control infrastructure that hasn’t always adequately protected us. Now, with the devastation of the spring floods in the Midwest, some are calling for a new approach to flood control that makes room for our…
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Rhone Glacier Finely Tuned to Climate Changes
By chiseling hunks of stone from recently exposed bedrock near the edge of the Rhone Glacier, scientists were able to decipher the comings and goings of the ice over the past 11,000 years. That should help predict what will happen to glaciers in the warming world to come.
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The Uncertainties of Groundwater and Climate in India: An Interview with Chandra Kiran Krishnamurthy
Since he arrived at the Columbia Water Center at its founding in 2008, Chandra Kiran Krishnamurthy has been unswervingly focused on two questions. First, how will groundwater depletion and climate change affect agriculture in India? And given the dire nature of the crisis, what can we do to help people adapt?
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Young Citizens Lawsuit Seeks to Compel US Action on Climate Change
A lawsuit filed in April on behalf of citizens too young to vote takes a novel approach in seeking to force the United States government to mitigate the most serious impacts of human-induced climate change. The petitioners argue that, in failing to address climate change, the federal government has abandoned its fiduciary responsibility to affirmatively…
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Tree Rings Open Door on 1,100 Years of El Niño
Scientists have used tree-ring data from the American Southwest to reconstruct a 1,100-year history of the El Niño cycle that shows that, when the earth warms, the climate acts up. The research may improve scientists’ ability to predict future climate and the effects of global warming.
COP31, the 2026 United Nations Climate Change Conference, aims to advance dialogue, strengthen consensus, and accelerate climate action on a global scale. From November 9–20, 2026 in Antalya, Türkiye, heads of state, ministers, scientists, business leaders, and civil society will gather to advance efforts in emission targets, climate finance, and adaptation and resilience. Once again, our experts, students, and global thought leaders from Columbia Climate School and across Columbia University are contributing to key events, sharing insights, and helping shape the dialogue toward ambitious, science-based solutions. Learn More
