This book presents a collection of articles (n=8) concerning key topics, which examine the impacts of climate change and variability on agriculture in the southeastern USA. The main topics include an investigation of the effect of variations in the spatial scale of climatic change scenarios on an agricultural integrated assessment, methods of simulating adaptations to climate change, and the relationship between large scale climate variability and local climate and vegetation. This book will be very useful for researchers and policy makers involved in climate change impacts.