Population sizes of vertebrate species -- mammals, birds, reptiles, amphibians, and fish -- have declined by 52 percent over the last 40 years. in other words, those populations around the globe have
Building Safe Systems in Aviation provides a single source for those who need to progress beyond current models of Crew Resource Management (CRM) to developing safe systems in critical industries. Al
For over a century geologists have tried to identify and understand the processes responsible for the complex history of species extinction. The Great Extinctions explores the history of that search,
