Energy and Sun takes a close look at the current possibilities of solar energy, which is safe, sustainable and low in carbon emissions, and particularly viable for urban regions in the Southern hemisphere. The essays in this volume are grouped into three sections: "Solar and Sustainable Energy Technologies" (with discussions on photovoltaic off-grid technologies in rural Andhra Pradesh, energy efficiency in irrigation, solar power plants for South Africa and the Joined Biogas, Charcoal and Erosion Prevention Project in Hyderabad, India); "Solutions For Buildings and Settlements" (including essays on housing design in the MENA region and the calculation of the energy performance of buildings and energy efficiency in Iranian cities); and "System Analytical and Integration Approaches" (with essays on solar and other options to reduce greenhouse gas emissions, solar energy usage in Gauteng, South Africa and photovoltaic systems for social and economic empowerment in peri-urban and rural areas in South Africa).