January 13, 2018

What Do Cold Snaps Have to Do With Climate Change?

Deepti Singh, a Lamont-Doherty Earth Observatory post-doctoral fellow, believes the reasons for the recent big chill and powerful snowstorm may be linked to climate change — and this is only the beginning of the weather impacts humanity can expect.
January 11, 2018

Why Thawing Permafrost Matters

When permafrost warms and thaws, it releases carbon dioxide and methane into the atmosphere. As the global thermostat rises, permafrost, rather than storing carbon, could become a significant source of planet-heating emissions.
January 10, 2018

Rivers Predicted to Jump Banks More Often as World Warms

Rainfall changes caused by global warming will increase river flooding risks across the globe by the 2040s, says a new study. The increases will be greatest in the United States, central Europe, Indonesia, and parts of India and Africa.
January 10, 2018

Improving Tropical Cyclone Risk Assessment

Research by Chia-Ying Lee, an atmospheric scientist at Columbia's International Research Institute for Climate and Society, will result in improved understanding of tropical cyclone risk, allowing societies to better plan for the impacts of tropical cyclones and minimize losses.
January 8, 2018

Seismic Sensors Record Hurricane Intensity, Study Finds

Seismometers often record vibrations from storms. A new study by Columbia scientists shows it’s possible to use those small blips to learn a hurricane’s intensity, which could help predict the storms’ future strength under climate change.