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 …

countries: Vietnam, China, and the United States. Many relevant issues relating to mining and water quality protection will be …, environmental law, and water pollution control and water quality protection; 3) Provide examples to underscore the legal and … regulatory processes, and their effects, in the real-world. To summarize, there are many similarities between China and Vietnam …

evidence that power plants spend less in water pollution abatement if the governor of the state where the plant is located is a … leads to increased pollution. …