The city’s economic success depends on its density. But density also allows contagious diseases to spread. Looking at how the city has managed this conflict in the past could shed light on what the future holds.

This year marks the 50th anniversary of Earth Day. To celebrate, we’re sharing images of places and projects around the world that highlight our planet’s incredible beauty.

Women scientists play an essential role in the Earth Institute’s mission to understand how the planet works, how humans are changing it, and how to build a sustainable future.

Working closely with Vieques residents, graduate students designed solutions to help the tiny island recover after Hurricane Maria and weather future storms. Their proposals are published in a new report.

In the two years since Hurricane Maria, the Urban Design Lab has been working with the small island community to design resilient homes, community centers, and sustainable infrastructure.

A new study compares how 14 types of green infrastructure contribute to 22 potential benefits for urban communities.

A project from the Urban Design Lab combines mapping techniques with Twitter-usage data to gain a real-time understanding of how people occupy public space.

Anne Hidalgo, the mayor of Paris, will join dozens of other leaders in government, business and the non-profit world at the Women4Climate conference at Columbia University on March 15.

The Earth Institute digs into the past, tracks the present and models the future of climate. We explore the broader issues surrounding climate change, seek ways to apply our knowledge to real solutions, and nurture collaboration among faculty and researchers in the natural sciences, social sciences and humanities, law, public health, engineering, architecture and urban planning.

Are you a full-time Columbia graduate student interested in urban sustainability and equity? Do you have superb writing, analytic and research skills? Apply by December 9 for this part-time research assistant position.