The most common interpretation of transboundary pollution is that it is pollution not contained by a single nation-state, but rather travels across national borders at varying rates. The concept of the global commons is important to an understanding of transboundary pollution. As both population and production increase around the globe, the potential for pollution to spill from one country to another increases. Transboundary pollution can take the form of contaminated water or the deposition of airborne pollutants across national borders. Transboundary pollution can be caused by catastrophic events such as the Chernobyl nuclear explosion. It can also be caused by the creeping of industrial discharge that eventually has a measurable impact on adjacent countries. It is possible that pollution can cross state lines within a country and would indeed be referred to as transboundary pollution. This type of case is seldom held up as a serious...