1. A demographic perspective on environmental and climate change and population displacement • Mohammad Jalal Abbasi-Shavazi, The University of Tehran; Ellen Percy Kraly, Colgate University.

2. Do neighborhoods and social networks matter? Exploring the process from migration to HIV sexual risk behaviors among involuntary bachelors in rural China • Huanying Gou, Xi’an Jiaotong University, Xi'an Polytechnic University; Huijun Liu, Xi'an Jiaotong University.

3. Relating Spatial integration and Other Aspects of Immigrant integration using Australian data • Qing Guan, Australian National University.

4. The Role of International Migration, Domestic Migration, and Short-term Travel in the Timing of COVID-19’s Arrival: Evidence from County-level Data in the United States • Hiroaki Matsuura, Shoin University.