In cities around the world, Covid-19 lockdowns have improved outdoor air quality, in some cases dramatically. Even if only temporary, these improvements could have longer-lasting effects on policy by making chronic air pollution more salient and boosting political pressure for change. To that...

Rationing car use based on license plate number has become a popular policy in several cities around the world to address traffic congestion and air pollution. This paper studies the effects of the moderate and drastic driving restrictions imposed as part of the Pico y Placa program on car use...

Mangonnet et al. (2022) examine whether political alignment at the national and sub-national levels explain the spatial designation of Protected Areas (PAs) in Brazil. Their identification relies on spatial discontinuities in political alignment across municipalities. They find that a...