Post Carbon Fellow Warren Karlenzig was interviewed for this article on Chinese Megacities in Tech Insider.

From the article:

To get a sense of whether China has doomed itself with its own ambition, Tech Insider spoke with Warren Karlenzig, a 25-year-veteran in the field of urban sustainability, and Emma Stewart, head of sustainability solutions for the software company Autodesk.

Karlenzig and Stewart pointed to several key variables that China must account for if it wants to avoid disaster.