1. Breathing Clean Air, Remembering Better: A Cross-Regional Study of Air Quality and Episodic Memory in European Older Adults • Arda Aktas, International Institute for Applied Systems Analysis (IIASA); Miguel Poblete-Cazenave, International Institute for Applied Systems Analysis (IIASA); Daniela Weber , Wittgenstein Centre, International Institute for Applied Systems Analysis (IIASA), Vienna University of Economics and Business.

2. The Lethal Grip of Heat: Mapping the Heat Wave-Mortality Nexus in Spain (1975-2019) • Dariya Ordanovich, IEGD-CCHS Spanish National Research Council (CSIC); Ana Casanueva, University of Cantabria; Aurelio Tobias, Institute of Environmental Assessment and Water Research, Spanish Council for Scientific Research; Diego Ramiro , Consejo Superior de Investigaciones Científicas (CSIC).

3. How Hot Is Too Hot and How Cold Is Too Cold? Estimating County-Level Relationships between Temperature and Mortality in California Counties • Eugenio Paglino , University of Pennsylvania.

4. Unhealthy Years Attributable to Air Particulate Matter in European and Asia-Pacific Countries • Pattheera Somboonsin , Australian National University; Vladimir Canudas-Romo, Australian National University.