ABSTRACT
This chapter assess and quantifies the impact of climate change on various dimensions, viz., reduction of agricultural values, sea level rise, melting of glaciers and ice caps, changes in ocean currents, patterns of precipitations and wind flows. It focuses on analyzing the process of refinement of methods for measuring the impact of climate change on the agricultural sector. The chapter discusses the development of approaches and methods for capturing the impacts of agricultural losses due to climatic change at the global level. Darwin et al. used a global computable general equilibrium model with a geographic information system model to analyze possible climate change impacts on the United States of America's agriculture, taking into account the interactions with non-agricultural sectors and other global regions. Indirect effects of climate change such as changes in the incidence and severity of agricultural pests and diseases and changes in soil erosion are largely unknown and have not been incorporated into estimates of impacts.
