BASEL, Switzerland, April 25 -- Sustainability, a peer-reviewed open access journal on environmental, cultural, economic and social sustainability, published research articles, including the following topics, in its Vol. 14, No. 9 edition:

Articles:

* The Evolution of Land Resource Carrying Capacity in 35 Major Cities in China

* Dynamic Scheduling Method for Job-Shop Manufacturing Systems by Deep Reinforcement Learning with Proximal Policy Optimization