Jianguo Wu and Tong Wu

Jianguo Wu is Dean’s Distinguished Professor at the Julie Ann Wrigley Global Institute of Sustainability and the School of Life Sciences at Arizona State University, United States of America, and Founding Director of the Center for Human-Environment System Sustainability, Beijing Normal University, China. Tong Wu is research student with the ecoSERViCES group in the School of Life Sciences at Arizona State University.

The four dimensions of SDG 7 are affordability, reliability, sustainability and modernity. These different dimensions are not mutually exclusive. They overlap, and in some cases even entail each other.