Improper disposal of electronical waste (e-waste) causes harm to both public health and the environment, and how to effectively recycle and reduce electronical waste has become a common concern around the world. This study focuses on the design of the points system to encourage consumer...

The social costs of pollution and climate change hinge critically on humans’ ability to adapt. Based on transaction records from the world’s largest payment network, this research compiles daily travel flows and documents that China’s rapid expansion of high-speed railways (HSR)...