Urbanization Archives - Page 2 of 18 - State of the Planet

Thomas Abdallah on the NYC subway.

The Mass Transit Man

Thomas Abdallah, adjunct professor at Columbia University, is working to make the NYC subway system more sustainable.

by |February 16, 2018

Upcoming Scientific Fieldwork: 2018 and Beyond

On every continent and every ocean, Earth Institute researchers are studying climate, geology, natural hazards, ecology and more. Here is a list of projects in rough chronological order.

by |February 14, 2018
treeway map

Planting a Park on the Cross-Bronx Expressway Would Save Money and Lives

Public health researchers run the numbers on creating a park on top of a section of the highway, finding it a worthwhile investment for community health.

by |February 1, 2018
tree guard

So Much Depends on a Tree Guard

Adding protective barriers around street trees could reduce load on city sewers, study finds.

by |January 23, 2018
city in china

Sustainability Measurement in China: Fostering a Race to the Top

The Research Program on Sustainability Policy and Management recently released the China Sustainable Development Indicator System, a new sustainability indicator framework and annual ranking of the sustainability performance of Chinese cities.

by |January 23, 2018
an empty subway car

Could Robo-Taxis Kill Public Transportation?

Self-driving cars will fundamentally change how we live and work. But not all of those changes will be positive.

by |November 30, 2017

Main Streets, Malls, and Sustainable Consumption

As new technologies continue to change consumption patterns, land use and social norms, we have an opportunity to ensure these changes result in an exciting sustainable lifestyle in a new type of sustainable city.

by |November 15, 2017

NASA Finds New Way to Track Ozone By Satellite

Ozone pollution near Earth’s surface is one of the main ingredients of summertime smog. But it not directly measurable from space, due to the abundance of ozone higher in the atmosphere, which masks the surface. Now, researchers have devised a way to use satellite measurements of the precursor gases that contribute to ozone formation to predict when and where ozone will form.

by |November 6, 2017
Gwenn Hennon demonstrates experiment aboard the RV Kilo Moana

Eavesdropping on the Ocean’s Mighty Microorganisms

Now, nearing the end of our three-week cruise of the North Pacific off Hawaii, we are working to understand how these tiny bacteria connect and communicate with one another.

by |July 13, 2017

Cleaning Up New York City’s Waters and Beyond: Q&A with Kartik Chandran

Kartik Chandran, an environmental engineer at Columbia, will discuss some of his urban wastewater treatment projects at a panel discussion Friday following the screening of a new film about Rio de Janeiro’s Guanabara Bay.

by |June 7, 2017