Global Warming37
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Study Offers Preview of Ice Sheet Melting, Rapid Climate Changes
Behavior of Scandinavian Ice Sheet at the end of the last Ice Age may preview loss of Greenland Ice Sheet due to global warming
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Answers About the Earth’s Energy Imbalance by James E. Hansen, Director of the Goddard Institute for Space Studies
Below are answers to typical questions about this research topic and its implications provided by James E. Hansen, director, NASA’s Goddard Insittute for Space Studies. Hansen was lead author on a paper published by Science in April 2005 on this topic. What is the direct significance of the energy imbalance found by the authors in…
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Reducing the Impact of Mother Nature
During live Q&A, expert in natural disasters explains ways to mitigate damage
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