Columnnist

Steven Cohen

Earth Institute executive director

Steven Cohen is the executive director of Columbia University's Earth Institute and the director of the Research Program on Sustainability Policy and Management at the Earth Institute. He is a Professor of Public Affairs at Columbia's School of International and Public Affairs (Sipa), and the Director of the MPA in Environmental Science and Policy at Sipa.

Steven Cohen
23 Apr 2018

Saving the city

No city can afford to wait on the central government to ensure quality of energy, water, air, waste management, transport, safety, health care and education.

23 Apr 2018
Saving the city