This article proposes and evaluates four hypotheses about US pollution and environmental policy over the last half … century. First, air and water pollution have declined substantially, although greenhouse gas emissions have not. Second …, environmental policy explains a large share of these trends. Third, much of the regulation of air and drinking water pollution has …

This article proposes and evaluates four hypotheses about US pollution and environmental policy over the last half … century. First, air and water pollution have declined substantially, although greenhouse gas emissions have not. Second …, environmental policy explains a large share of these trends. Third, much of the regulation of air and drinking water pollution has …

study, we selected Jiaxing city as research area for that the environmental pollution problem has become prominent with …

The COVID-19 virus, also known as the coronavirus, is currently spreading around the world. While a growing literature … suggests that exposure to pollution can cause respiratory illness and increase deaths among the elderly, little is known about … whether increases in pollution could cause additional or more severe infections from COVID-19, which typically manifests as a …