The main focus of this chapter is to present summaries of the chapters provided in the book “Agriculture Productivity Under Stressed Environment in Tunisia”. The book consists of 15 chapters including the introduction and the conclusion chapters. The 13 chapters are presented under three themes, namely, Overview of Tunisian Sustainable Agriculture, Sustainable Agriculture Water Management and Tunisian Marine and Terrestrial Living Environment. A comprehensive state-of-the-art review and latest findings of research results are provided particularly for the main crops, olives, dates and cereals. Factors such as climate changes, pests, weeds and fertilizer applications that limit the agriculture production in Tunisia are discussed. Results of the studies related to face these limiting factors are presented. The marine and terrestrial living environment with special reference to the fishery developement and the importance of Tunisian rangelands systems are covered too.