Program on Climate Science Awareness and Solutions
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World Temperatures Will Blow Past Paris Goals This Decade, Asserts New Study
James Hansen warned the world in the 1980s that global warming was coming. Now, he is warning that it is barreling down even faster than expected.
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Columbia Climate’s Hot 23
The news agency Reuters produced a list of top climate scientists. Columbia researchers comprise a significant number.
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How Energy Choices After Fukushima Impacted Human Health and the Environment
A new paper examines CO2 emissions and mortality rates after Japan and Germany shifted away from nuclear power.
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Climate May Make Some Regions ‘Uninhabitable’ by End of Century
The global trend toward hotter summers could make parts of the Middle East and tropics “practically uninhabitable” by the end of the century, new research published this week contends.
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Sea Level Rise: How Much, How Fast?
By studying modeled climate evidence from the last interglacial period, the team concluded that the warming going on today risks setting off “feedbacks” in the climate system.
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A Dire Warning on Rapid Climate Change
Sea level rise from melting ice sheets in Antarctica and Greenland threatens catastrophe for coastal cities within decades unless strong measures are taken to reduce CO2 emissions from the use of fossil fuels, argues climate scientist James Hansen.
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
