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 …

, military training during peacetime has environmental consequences. This research aims to quantify how much pollution is emitted … pollution levels. Leveraging high-frequency data, we employ a machine learning algorithm in conjunction with program evaluation … area. Our findings reveal that these exercises led to a notable increase in air pollution levels, potentially reaching up …

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 … range from $7 billion to $24 billion while the benefits from reduced pollution could range from $650 million to $13 …

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 …

Are 'green' environmental concerns - about climate change, biodiversity, pollution - deterring today's citizens from …