ผู้เขียน: R. David Simpson

Several senior natural resource analysts study the role played by innovation, particularly technological innovation, in the pursuit of heightened productivity. Increasing the output of a given input …

Several senior natural resource analysts study the role played by innovation, particularly technological innovation, in the pursuit of heightened productivity. Increasing the output of a given input …

R. David Simpson Norman L. Christensen, Jr. Human Activity and Ecosystem Function: Reconciling Economics and Ecology Recognizing the need to improve social decision making on tradeoffs between …

O ano é 410 DC, as ordens são para que o exército romano e suas famílias deixem a ”Muralha de Adriano” e retornem a Roma. A jornada de volta para casa reúne Cássia, um menino plebeu Félix e sua …

Es el año 410 d C y las órdenes de Roma son evacuar a todos los soldados y sus familias del Muro de Adriano de Inglaterra y regresar para ayudar a defender Roma. Dos adolescentes; Cassia, …

Cinco personas en cinco áreas de Canadá y Estados Unidos se ven envueltas en una guerra por las necesidades estadounidenses de agua. Esta es la historia de una guerra ecológica internacional, …

In this volume, a group of distinguished international scholars provides a fresh investigation of the most fundamental issues involved in our dependence on natural resources. In Scarcity and Growth …

In this volume, a group of distinguished international scholars provides a fresh investigation of the most fundamental issues involved in our dependence on natural resources. In Scarcity and Growth …