ambient air pollution on population health. For Germany and the years 1999 to 2008, we link the universe of all 170 million … hospital admissions, along with all 8 million deaths, with weather and pollution data reported at the day-county level. Extreme … simultaneous weather and pollution conditions. We find strong evidence for "harvesting", and that the instantaneous heat …

This paper uses the 1918 influenza pandemic as a natural experiment to examine whether air pollution affects …-city differences in baseline pollution measures based on coal-fired electricity generating capacity for a sample 183 American cities …. The findings suggest that air pollution exacerbated the impact of the pandemic. Proximity to World War I military bases …

distancing, travel and pollution is in its infancy. We pair a differences-in-differences framework and synthetic control methods … with rich cellular tracking and high frequency air pollution data.We find that state and U.S. county safer-at-home policies … range from $7 billion to $24 billion while the benefits from reduced pollution could range from $650 million to $13 …

governments establish the optimal city size when production processes involve environmental pollution. Our analysis delivers two … key insights. First, if an optimal scheme to regulate environmental pollution is implemented, cities chosen by local … governments are never too large. They are too small if pollution is purely global, but at the optimal size, if pollution is purely …