Climate252
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Western Water Woes – Is Big Infrastructure the Way to Go?
Guest Blog by Michael Clark Pat Mulroy, the general manager of the Southern Nevada Water Authority, spoke on July 20 at a US Chamber of Commerce conference, as part of its Invest in Water Initiative, and proposed a bold idea: build a pipeline to divert Mississippi River flood waters to the West. This, she said,…
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Climate News Roundup: Week of 8/28
Seeing Irene as Harbinger of Change in Climate, New York Times, Aug. 27 As the East Coast recovers from the impacts of Hurricane Irene, the storm has revived a debate on the impacts of human-induced climate change on the strength and frequency of hurricanes. While there is widespread consensus that a warmer world will lead…
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Insuring Against Drought
Research economist Dan Osgood discusses index insurance and how it is helping some poor rural communities reduce hardships caused by drought in East Africa.
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Climate News Roundup: Week of 8/21
Standing Against Oil Sands – and Standing for the Climate, Time, Aug 22 Scores of people have been arrested in front of the White House in an ongoing protest urging President Obama to block construction of the proposed Keystone XL pipeline, which would bring crude oil from western Canada’s tar sands developments to the United…
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A Famine Foretold
Climate and food security expert Jim Hansen lays out the root causes of food insecurity in East Africa.
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Fears of a Double Dip…La Niña
You’d be forgiven for thinking its 2008 and not just because of the economic uncertainty. Is there a dreaded double dip La Niña in store, too?
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Climate Cycles Are Driving Wars, Says Study
When El Niño Warmth Hits, Tropical Conflicts Double
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Remote Sensing Critical for Monitoring Drought
Remote sensing scientist Pietro Ceccato talks about how satellite information is being used to monitor conditions in East Africa.
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Tree Rings, Ecology and Culture in Mongolia
“How do you know when you are in wilderness? When you have walked beyond where most people walk, when you have left the road … when the easiest route to walk is not a path tread by people but rather the path tread by wolves, moose and deer.”
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
