Private installations reduce costs even during winter months and would pay for themselves in 17 years, research coauthored by SIPA's Robert Metcalfe found after analyzing data from bills.

A conversation with China experts, including Julian Gewirtz, former Senior Director for China and Taiwan Affairs at the White House National Security Council and IGP Senior Research Scholar at Columbia SIPA.

A conversation with Julian Gewirtz, former Senior Director for China and Taiwan Affairs at the White House National Security Council and IGP Senior Research Scholar at Columbia SIPA.

A conversation with Julian Gewirtz, former Senior Director for China and Taiwan Affairs at the White House National Security Council and IGP Senior Research Scholar at Columbia SIPA.

Social Security won't have enough income to fully pay benefits during the next presidency, warns Jack Lew, former Treasury Secretary and Professor at Columbia University's School of International and Public Affairs. "There are solutions, but the solutions get harder and harder as you get closer to the exhaustion date," he said.

"Someday, as unlikely as it may seem now, the two countries may realize that they do not have to agree on who should win the AI race to agree that neither side can afford to lose control of it," writes Julian Gewirtz, senior research scholar at Columbia University’s School of International and Public Affairs.

New research coauthored by SIPA PhD student Fanyu Wang and Professor Douglas Almond finds that global air pollution rose 24–33 percent after the Trump administration ended US embassy air-quality monitoring in 2025.

“The volume of goods being brought into Yemen to make weapons increased exponentially and the number of routes being used increased exponentially after the truce was announced in Yemen in 2022,” said Peter Salisbury, an adjunct professor at Columbia University’s School of International and Public Affairs.

Advancements in AI offer the United States and its allies their first real opportunity in many years to catch up to China on the cyber front, writes IGP Carnegie Distinguished Fellow Anne Neuberger MIA ’05.

Margaret Walls investigates the world of weather forecasting with Jeffrey Shrader, an associate professor at Columbia University whose recent research examines inequalities in forecast accuracy among countries across the globe.