Table of Contents: Brief 1: The Impact of Climate Variability and Climate Change on Water and Food Outcomes: A Framework for Analysis by Claudia Ringer Brief 2: Vulnerability and the Impact of Climate Change in South Africa's Limpopo River Basin by Sharon Shewmake Brief 5: Measuring Ethiopian Farmers' Vulnerability to Climate Change Across Regional States by Temesgen T. Deressa, Rashid M. Hassan, and Claudia Ringler Brief 6: Perceptions of Stakeholders on Climate Change: and Adaptation Strategies in Ethiopia by Assefa Admassie, Berhanu Adenew, and Abebe Tadege Brief 7: Micro-Level Analysis of Farmers' Adaptation to Climate Change in Southern Africa by Charles Nhemachena and Rashid M. Hassan Brief 9: Analysis of the Determinants of Farmers' Choice of Adaptation Methods and Perceptions of Climate Change in the Nile Basin of Ethiopia by Temesgen T. Deressa, Rashid M. Hassan, Claudia Ringler, Tekie Alemu, and Mahmud Yesuf Brief 12: Impacts of Considering Climate Variability on Investment Decisions in Ethiopia by Paul J. Block, Kenneth Strzepek, Mark Rosegrant, and Xinshen Diao Brief 14: Integrated Management of the Blue Nile Basin in Ethiopia under Climate Variability and Climate Change by Paul J. Block, Kenneth Strzepek, Mark Rosegrant, and Xinshen Diao Brief 16: Risk Aversion in Low-Income Countries: Experimental Evidence from Ethiopia by Mahmud Yesuf and Randy Bluffstone