How much does it actually matter if you take public transit instead of driving? Here’s an easy way to find out.

In Ethiopia, climate variability can have a big impact on food, water, and health. A system to monitor and predict climate will help to keep people safe.

Volcanologist Einat Lev is tracking lava flows at Hawaii’s volcanic eruption. Here, she describes what conditions are like on the ground—and in the sky.

An advisory committee disbanded by the federal government reunites at Columbia University to begin crafting recommendations for states, cities, and businesses to plan for climate change.

Columbia University researchers to help translate hurricane science into projections for planning for climate and weather risks.

The project will focus on climate threats to food and nutrition in six developing countries, bringing research out of the lab and into the real world.

A new report is the first to focus on longer-term climate impacts on crop and water resources, and the ways in which they may influence internal migration.

Gbowee, who heads Columbia University’s Women, Peace, and Security program, will help to ensure women’s empowerment in economic, security, and energy policy.

Many “green” countries depend on imports from more polluting countries. A new index takes this into account and could shake up rankings on global environmental report cards.

Student-led projects offered sustainability advisory services to three organizations in New York during the Fall 2017 semester.