Yale Environment 360: A new smartphone app seeks to shine a spotlight on major Chinese polluters by letting users see in real-time which factories are violating air pollution emissions limits. The app, developed by Beijing-based Institute of Public and Environmental Affairs (IPE), uses data from some 15,000 factories throughout China that are now required to report emissions to local officials and the Environment Ministry on an hourly basis. The government made all the data public at the beginning of this year, but now,...