The hemlock woolly adelgid is an invasive insect that is infesting and destroying hemlock forests in the northeastern United States. Mitigation efforts are taking place on public lands throughout the affected area. This study examines one such effort in the southern Appalachian Mountains....

The management of non-native invasive species is a complex but crucial task given the potential for economic and environmental damages. For many invasions the development of socially optimal control strategies requires more than is offered by the single-species, single-control models that have...

As atmospheric carbon dioxide (CO2) concentrations increase, the world’s oceans are absorbing CO2 at a faster rate than at any time in the past 800,000 years. While this reduces the amount of the most prevalent greenhouse gas in the atmosphere it also causes changes in seawater chemistry,...