New research from Columbia climate scientists shows that the 1987 ozone treaty, designed to protect the ozone layer, has postponed the occurrence of the first ice-free Arctic by as much as 15 years.

Columbia engineers have developed a machine-learning algorithm that will aid in understanding and mitigating the impact of extreme weather events, which are becoming more frequent in our warming climate.

An easy-to-use flood planning tool visualizes building footprint data for nearly all New York State, except New York City.

A soon-to-be graduate of the M.A. in Climate and Society program discusses his roundabout journey to climate science and politics.

Students from the M.P.A. in Environmental Science and Policy program traveled to Brazil to present their policy proposal at the 2023 Global Public Policy Network Conference.

Use key questions to cut amorphous slogans like “climate emergency” into addressable pieces.

Climate School researchers are carrying out fieldwork on every continent and every ocean. A guide to upcoming projects.

Analyses of plant remains and other evidence show that the landscapes our ape ancestors evolved in existed much earlier than previously thought.

Counterintuitively, seas were rising around Greenland as it went through a cold period centuries ago. This helped drive out Viking colonists, says new research.

Tools that are already being used to support climate-smart agriculture could help to build resiliency in restored ecosystems.